Gravel

UNRESTRICTED Gravel riding has become truly enmeshed in the psyche of cyclists. Meet URS. Probably the only bear you'll ever want cross paths with. URS likes to roam UnReStricted to nurture its wild side. The super lightweight, race-ready frame and capable build come together with textbook BMC precision, cutting-edge integration, and scrupulously developed Gravel+ geometry. Nothing grizzly about these good times. The prime platform is designed for high-intensity gravel racing and limitless backroad exploration. The off-road-ready URS 01 features progressive geometry, sleek cockpit integration for a custom fit, and gravel-tuned frame to deliver a compliant ride ready to own Gravel. GRAVEL+ GEOMETRY Optimized for a modern, aggressive gravel riding style. URS features a slack 70° head angle to create a long front-end and wheelbase for incredible stability. MICRO TRAVEL TECHNOLOGY (MTT) A lightweight and minimalist suspension system that adds 10mm of travel for perfect power transfer and control on the most challenging terrain. TUNED COMPLIANCE CONCEPT (TCC) GRAVEL The highest level of compliance through a dedicated carbon layup, D-shape seatpost, and Micro Travel Technology. INTEGRATED COCKPIT SYSTEM (ICS) Integrated Cockpit System with gravel-specific stem dimensions. The aesthetic simplicity and innovative functionality of the Integrated Cockpit is the epitome of Swiss engineering and design. ICS technology keeps cables and housing in their place: out of sight. TOP TUBE MOUNT Mounting option for bolt-on top-tube bags and accessories. VERSATILE FORK 45mm tire clearance, 160mm flat mount (a clean mounting solution for bigger rotors), hub-dynamo cable routing, and compatible with Fox 32 SC AX suspension fork. INTEGRATED PROTECTIONS Protections on fork dropouts, downtube, and chainstays.

ONE OF A KIND Experience a new level of gravel riding. Full micro-suspension for truly limitless exploration. URS LT embodies the spirit of adventure while retaining the signature URS silhouette and class-leading performance. Utilizing cutting-edge bike technologies, the URS LT is designed as a one-of-a-kind high-performance blank slate that provides an adventure-proof ride to suit surface, style, distance, and beyond. MICRO TRAVEL TECHNOLOGY SUSPENSION FORK The MTT suspension fork, developed in collaboration with HiRide, delivers 20 mm of plush travel over a spring curve optimized for gravel riding. Dampening more than 46% of the typical impacts experienced when riding gravel. The finetuned suspension performance of the MTT fork adapts to a wide range of terrains, complementing sporty and efficient riding styles while filtering out obstacles for confidence-inspiring riding feel. TUNED COMPLIANCE CONCEPT (TCC) GRAVEL The highest level of compliance through a dedicated carbon layup, D-shape seatpost and Micro Travel Technology, a lightweight and minimalist suspension system that adds 10mm of travel to the rear stays, for perfect power transfer and control on the most challenging terrain. GRAVEL+ GEOMETRY Optimized for a modern, aggressive gravel riding style. URS features a slack 70° head angle to create a long front-end and wheelbase for incredible stability. RACK AND FENDER COMPATIBLE Compatibility with lightweight racks and fenders to let you choose your favorite configuration, from adventure riding to commuting. CABLE ROUTING FOR HUB DYNAMOS No limits to choosing your ideal light setup, whether for bike packing adventures or year-round commuting.

UNRESTRICTED Gravel riding has become truly enmeshed in the psyche of cyclists. Meet URS. Probably the only bear you'll ever want cross paths with. URS likes to roam UnReStricted to nurture its wild side. The super lightweight, race-ready frame and capable build come together with textbook BMC precision, cutting-edge integration, and scrupulously developed Gravel+ geometry. Nothing grizzly about these good times. The prime platform is designed for high-intensity gravel racing and limitless backroad exploration. The off-road-ready URS 01 features progressive geometry, sleek cockpit integration for a custom fit, and gravel-tuned frame to deliver a compliant ride ready to own Gravel. GRAVEL+ GEOMETRY Optimized for a modern, aggressive gravel riding style. URS features a slack 70° head angle to create a long front-end and wheelbase for incredible stability. MICRO TRAVEL TECHNOLOGY (MTT) A lightweight and minimalist suspension system that adds 10mm of travel for perfect power transfer and control on the most challenging terrain. TUNED COMPLIANCE CONCEPT (TCC) GRAVEL The highest level of compliance through a dedicated carbon layup, D-shape seatpost, and Micro Travel Technology. INTEGRATED COCKPIT SYSTEM (ICS) Integrated Cockpit System with gravel-specific stem dimensions. The aesthetic simplicity and innovative functionality of the Integrated Cockpit is the epitome of Swiss engineering and design. ICS technology keeps cables and housing in their place: out of sight. TOP TUBE MOUNT Mounting option for bolt-on top-tube bags and accessories. VERSATILE FORK 45mm tire clearance, 160mm flat mount (a clean mounting solution for bigger rotors), hub-dynamo cable routing, and compatible with Fox 32 SC AX suspension fork. INTEGRATED PROTECTIONS Protections on fork dropouts, downtube, and chainstays.

Fast gravel, rough gravel, pavement or dirt. However you choose to roll, this bike does it all. A new composite frameset and adjustable wheelbase make it more capable than ever. With a lightweight Advanced-grade composite frame that's engineered for compliance, Revolt Advanced lets you push your limits on variable terrain. A composite fork eats up bumps, and the D-Fuse seatpost and handlebar absorb shocks and vibrations. A flip chip on the rear dropout adjusts wheelbase and tire clearance, and you can choose the included D-Fuse seatpost for maximum compliance or a 30.9mm round or dropper post. Details including a smart mount system for racks and accessories give you a head start on any gravel riding mission. KEY PERFORMANCE FACTORS Fast and light New Advanced composite frame and fork save more than 160 grams compared to previous model. Updated geometry includes a lower bottom bracket, longer reach and steeper headtube angle for improved acceleration and climbing. Tuned compliance New frame features thinner, dropped seatstays to absorb road shocks and vibrations. D-Fuse handlebar and seatpost work as a system to add compliance without sacrificing stiffness while cornering, sprinting or climbing. Adaptable to the terrain A flip chip on the rear dropout adjusts the wheelbase short for quicker handling, or long for improved stability at speed. The long setting allows for larger diameter tires up to 53mm. You can also choose the included D-Fuse seatpost for maximum compliance, or switch to a 30.9mm round or dropper post.

PERFORMANCE GRAVEL ALL-STAR The ultimate gravel bike for chasing PRs and podiums on race day, and all the training rides that get you there. LIVELY, SPIRITED, STABLE Perfectly capable of flying fast down the tarmac, the Cosmic Stallion really shines when things get rough. Quick, efficient, and designed for gravel riding and racing, we’re yet to find a bike that does a better job at soaking up road chatter and jealous stares. A.C.E. TUBING Painstakingly crafted from our proprietary heat-treated, air-hardened, and custom-extruded A.C.E. steel tubing, there’s nothing else like it on Earth. Learn more about A.C.E. Tubing. WHISKY NO.9 CX Disc 12 Tapered Fork Lightweight with generous tire clearance and precise handling capabilities, Whisky’s gorgeous carbon fork accommodates 12mm thru-axles and flat-mount disc brakes. WIRELESS SHIFTING Featuring SRAM Rival eTap AXS for a clean, secure, and reliable ride experience. TIRE CLEARANCE Built with versatility in mind, it accommodates tire sizes 700 x 42mm or 650b x 47mm (both with or without fenders). REAR RACK AND FENDER MOUNTS Ready to run mudguards with the ability to mount a bag or two in the back to keep you comfy on those long rides. CUSTOM DROPOUTS All-City’s signature engraved logo shines with classic style. SIGNATURE SEAT COLLAR Train your eyes on that timeless and tasteful brazed-on seat collar, elegantly designed around the All-City logo. REINFORCED BOTTLE BOSSES Beautiful stars reinforce the bottle bosses and our obsessive attention to detail. LIQUID PAINT AND E.D. COAT Our topnotch wet paint finish sparkles with depth and luster, while an E.D. coating protects against rust. PANTOGRAPHED BOTTOM BRACKET Upside-down and inside-out, AC’s signature style is stamped into the steel.

The SCOTT Speedster Gravel 10 is your one-stop shop for when the path gets less traveled. Comfortable geometry for all-day rides, room for big tires, and fully internal cable routing make this a great option for those looking to take it off road! - Speedster Gravel Disc Alloy Frame - Speedster Gravel Carbon Disc Fork - SRAM RIVAL AXS 1x12 Speed - Syncros Race X25 Disc Wheels - Schwalbe G-ONE Bite Tires

The All-City Cosmic Stallion is ready for any gravel and any distance. From fast sprints to all-day gravel epics, this race-ready steel machine sets a new standard for beauty and functionality. Thoroughly modern, classically styled, all on a lightweight disc-brake frameset. - Crafted from All-City’s proprietary heat-treated, air-hardened, and custom-extruded A.C.E. steel tubing - Whisky No.9 CX Disc 12 Tapered Fork - 12mm thru-axles and flat-mount disc brakes - Three bottle cages, rear rack mounts, front and rear fender eyelets - Tire Clearance: 700c x 42mm or 650b x 47mm (both without fenders)

Fast gravel, rough gravel, pavement or dirt. However you choose to roll, this bike does it all. A new composite frameset and adjustable wheelbase make it more capable than ever. With a lightweight Advanced-grade composite frame that's engineered for compliance, Revolt Advanced lets you push your limits on variable terrain. A composite fork eats up bumps, and the D-Fuse seatpost and handlebar absorb shocks and vibrations. A flip chip on the rear dropout adjusts wheelbase and tire clearance, and you can choose the included D-Fuse seatpost for maximum compliance or a 30.9mm round or dropper post. Details including a smart mount system for racks and accessories give you a head start on any gravel riding mission.

From bikepacking and gravel grinders to everyday adventure rides and group trekking, Devote Advanced has what it takes to stir your backcountry desires. KEY PERFORMANCE FACTORS Lightweight Advanced-Grade Composite frame and fork keeps your ride lightweight so you can sail up climbs and accelerate quickly on paved or gravel roads. Adventure-Ready With clearance for 45c tires and mounts for racks, accessories and three water bottle cages, this bike meets the demands of your next epic ride. Smooth Operator Internal cable routing and D-Fuse seatpost and handlebars keep this gravel bike clean and contoured for vibration-damping comfort and less maintenance.

Gravel riding has become truly enmeshed in the psyche of cyclists. Meet URS. Probably the only bear you’ll ever want to cross paths with. URS likes to roam UnReStricted to nurture its wild side. The super-lightweight, race-ready frame and capable build come together with textbook BMC precision, cutting-edge integration and scrupulously developed Gravel+ geometry. Nothing grizzly about these good times. Technology: - Gravel+ Geometry: Optimized for a modern, aggressive gravel riding style. URS features a slack 70° head angle to create a long front-end and wheelbase for incredible stability. - Micro Travel Technology (MTT): A lightweight and minimalist suspension system that adds 10mm of travel for perfect power transfer and control on the most challenging terrain. - Tuned Compliance Concept (TCC) Gravel: The highest level of compliance through a dedicated carbon layup, D-shape seatpost and Micro Travel Technology. - Integrated Cockpit System (ICS): Integrated Cockpit System with gravel-specific stem dimensions. The aesthetic simplicity and innovative functionality of the Integrated Cockpit is the epitome of Swiss engineering and design. ICS technology keeps cables and housing in their place: out of sight. - Top Tube Mount: Mounting option for bolt-on top-tube bags and accessories. - Versatile Fork: 45mm tire clearance, 160mm flat mount (a clean mounting solution for bigger rotors), hub-dynamo cable routing and compatible with Fox 32 SC AX suspension fork. - Integrated Protections: Protections on fork dropouts, downtube and chain stays.

Gravel riding has become truly enmeshed in the psyche of cyclists. Meet URS. Probably the only bear you'll ever want to cross paths with. URS likes to roam UnReStricted to nurture its wild side. The super-lightweight, race-ready frame and capable build come together with textbook BMC precision, cutting-edge integration, and scrupulously developed Gravel+ geometry. Nothing grizzly about these good times. GRAVEL+ GEOMETRY - Optimized for a modern, aggressive gravel riding style. URS features a slack 70° head angle to create a long front-end and wheelbase for incredible stability. MICRO TRAVEL TECHNOLOGY (MTT) - A lightweight and minimalist suspension system that adds 10mm of travel for perfect power transfer and control on the most challenging terrain. TUNED COMPLIANCE CONCEPT (TCC) GRAVEL - The highest level of compliance through a dedicated carbon layup, D-shape seatpost, and Micro Travel Technology. INTEGRATED COCKPIT SYSTEM (ICS) - Integrated Cockpit System with gravel-specific stem dimensions. The aesthetic simplicity and innovative functionality of the Integrated Cockpit is the epitome of Swiss engineering and design. ICS technology keeps cables and housing in their place: out of sight. TOP TUBE MOUNT - Mounting option for bolt-on top-tube bags and accessories. VERSATILE FORK - 45mm tire clearance, 160mm flat mount (a clean mounting solution for bigger rotors), hub-dynamo cable routing, and compatibility with Fox 32 SC AX suspension fork. INTEGRATED PROTECTIONS - Protections on fork dropouts, downtube, and chainstays.

A sweet beast designed for chasing good times, the Gorilla Monsoon builds on All-City's proven cross geometry to handle camping, dirt touring, and exploring the unknown. Built around 27.5 x 2.4" tires and offered in seven frame sizes, it comfortably accommodates our smallest and tallest riders for long days in the saddle. Features like stealth dropper post routing and full touring mounts round out this elegantly styled steed. - 612 Select Tubing – Selected specifically for sporty handling on the course, comfort on tours, and maximum fun - Geometry – adapted from All-City CX geo, plus the ability to support some load - 73mm bottom bracket allows for a wider chainring option and ample tire clearance - Stealth dropper routing - Tire clearance – 27.5 x 2.4" or 700c x 42mm - Bi-plane fork crown features four-point rack mount and mounts for fender - Flat-mount brakes, front and rear thru-axles, 1-1/8" head tube, All-City Shot Collar, three water bottle mounts

Our most popular and versatile model, the Space Horse has become a bit of a cult favorite through its classic styling and ability to handle just about any task or terrain. Ambitious road centuries, gravel grinding, loaded touring, looking great while commuting — the Space Horse is equipped for it all. - 612 Select Tubing – a proprietary blend of 4130 double-butted Chromoly tubes, every piece of tubing on every frame size has been carefully chosen to provide the best ride possible - Geometry — Mix between road and randonneuring with a relatively short rear end and a slightly lower bottom bracket than a standard road bike - 12mm front and rear thru-axles, flat-mount disc brakes - Front and rear rack mounts, fender mounts, and pump peg - Fork features ports for internal Dynamo cable routing - Tire Clearance — 43–61cm frames fit 650b x 47mm (650b x 42mm w/fenders); additionally, 49–61cm frames fit 700c x 45mm (700c x 42mm w/fenders) - Signature custom-cast dropout with replaceable derailleur hanger, signature lugged fork crown and custom fork ends, integrated seat collar, pantographed bottom bracket shell, reinforced bottle bosses for three bottle cages

UNRESTRICTED Gravel riding has become truly enmeshed in the psyche of cyclists. Meet URS. Probably the only bear you'll ever want cross paths with. URS likes to roam UnReStricted to nurture its wild side. The super lightweight, race-ready frame and capable build come together with textbook BMC precision, cutting-edge integration, and scrupulously developed Gravel+ geometry. Nothing grizzly about these good times. Backroad adventure has never been more accessible. The all-new URS AL delivers progressive gravel adventure to all riders.

The Search XR S2 is an adventure-seeker that blurs the lines between mountain and road, pushing the limits of what you’d expect from a drop-bar bike. The light, Reynolds air-hardened, back-tempered chromoly frame and mid-modulus carbon fork offer agile stability, efficient pedaling, and comfortable vertical compliance and classic style. With generous tire clearance (45mm/42mm with fenders); rack, fender, and bottle mounts; and a comfortably quick rider compartment, the Search XR S2 allows you to explore singletrack trails, tackle a gravel loop, or head out for an extended bikepacking excursion. With Shimano thru-axle hubs, WTB ST Light i23 TCS 2.0 tubeless-ready rims and ultra-wide range Shimano GRX 20-speed gravel group, the Search XR S2 is ready to take on whatever adventure you’re up for. Its external cable routing makes for quick, easy service when the opportunity arises. - Reynolds 725 chromoly steel frame - Mid-Modulus carbon fork - WTB ST Light i23 TCS 2.0 wheelset, tubeless ready - Shimano GRX 20-speed drivetrain - Shimano GRX BR-RX400 hydraulic disc brakes

Fast gravel, rough gravel, pavement or dirt. However you choose to roll, this bike does it all. A new composite frameset and adjustable wheelbase make it more capable than ever. With a lightweight Advanced-grade composite frame that's engineered for compliance, Revolt Advanced lets you push your limits on variable terrain. A composite fork eats up bumps, and the D-Fuse seatpost and handlebar absorb shocks and vibrations. A flip chip on the rear dropout adjusts wheelbase and tire clearance, and you can choose the included D-Fuse seatpost for maximum compliance or a 30.9mm round or dropper post. Details including a smart mount system for racks and accessories give you a head start on any gravel riding mission. KEY PERFORMANCE FACTORS Fast and light New Advanced composite frame and fork save more than 160 grams compared to previous model. Updated geometry includes a lower bottom bracket, longer reach and steeper headtube angle for improved acceleration and climbing. Tuned compliance New frame features thinner, dropped seatstays to absorb road shocks and vibrations. D-Fuse handlebar and seatpost work as a system to add compliance without sacrificing stiffness while cornering, sprinting or climbing. Adaptable to the terrain A flip chip on the rear dropout adjusts the wheelbase short for quicker handling, or long for improved stability at speed. The long setting allows for larger diameter tires up to 53mm. You can also choose the included D-Fuse seatpost for maximum compliance, or switch to a 30.9mm round or dropper post.

The SCOTT Speedster Gravel 20 is your one stop shop for when the path gets less traveled. Comfortable geometry for all-day rides, room for big tires and fully internal cable routing make this a great option for those looking to take it off road! Please note that bike specifications are subject to change without prior notice. Key Features: - Speedster Gravel Disc Alloy Frame - Shimano GRX RX810/600 Disc 22 Speed - Schwalbe G-One Bite Tires

Delivering performance and functionality in a minimal package, the Roadmachine X is a must for endless adventure rides, scenic b-road commutes, and light-duty touring. Technology: - Tuned Compliance Concept (TCC) Endurance: The most capable version of our TCC technology: take the edge off the roughest roads to push harder and ride further. The ultimate balance between comfort and performance for a ride that is both forgiving and fast. - Versatile Geometry: The long front-end improves control on any terrain, while the short chainstays reward you with rapid accelerations. - Premium Carbon Fork and Flat-Mount Brakes: Agile handling and terrain-smoothing compliance are benefits of our premium carbon fork. Flat-mount brakes blend in with the clean, minimalist design in true Swiss style.

The SCOTT Speedster Gravel 30 is your one stop shop for when the path gets less traveled. Comfortable geometry for all-day rides, room for big tires and fully internal cable routing make this a great option for those looking to take it off road! Please note that bike specifications are subject to change without prior notice. Key Features: - Speedster Gravel Disc Alloy Frame - Shimano GRX RX400 Disc 20 Speed - Schwalbe G-One Bite Tires

Straggler is a bikepacking-inspired road/gravel bike mostly at home on pavement but ready for trail duty when called. Born on Gravel. Raised on Pavement Straggler is tuned for cross-over exploration on a wide variety of terrain conditions. It's a day-tripper and a weekender. It's a "rough road" road bike, a cyclocross bike with no pretense about racing, a utilitarian townie, a light-duty touring bike and an all-weather commuter. It's a steel gravel bicycle that thrives on the road. Think of it as a "mountain biker's road bike." If you only have room for one bike in your life, Straggler can (and should) be your one and only. Straggler's capabilities go well beyond asphalt. It also lends itself well to light touring setups. We're talking frame bags, seat bags, and "credit card touring" rather than full-blown touring. Straggler also handles our 8- and 24-Pack Racks well, so you have some heavier-duty loading options. - Accommodations for racks and fenders - Forward-exiting horizontal dropouts for singlespeed compatibility and wheelbase adjustability - Clearance for 650B x 41mm tires with fenders!

Straggler is a bikepacking-inspired road/gravel bike mostly at home on pavement but ready for trail duty when called. Born on Gravel. Raised on Pavement Straggler is tuned for cross-over exploration on a wide variety of terrain conditions. It's a day-tripper and a weekender. It's a "rough road" road bike, a cyclocross bike with no pretense about racing, a utilitarian townie, a light-duty touring bike and an all-weather commuter. It's a steel gravel bicycle that thrives on the road. Think of it as a "mountain biker's road bike." If you only have room for one bike in your life, Straggler can (and should) be your one and only. Straggler's capabilities go well beyond asphalt. It also lends itself well to light touring setups. We're talking frame bags, seat bags, and "credit card touring" rather than full-blown touring. Straggler also handles our 8- and 24-Pack Racks well, so you have some heavier-duty loading options. - Accommodations for racks and fenders - Forward-exiting horizontal dropouts for singlespeed compatibility and wheelbase adjustability - Clearance for 700c x 41mm tires with fenders!

Our most popular and versatile model, the Space Horse has become a bit of a cult favorite through its classic styling and ability to handle just about any task or terrain. Ambitious road centuries, gravel racing, loaded touring, looking great while commuting — the Space Horse is equipped for it all. - 612 Select Tubing – a proprietary blend of 4130 double-butted Chromoly tubes, every piece of tubing on every frame size has been carefully chosen to provide the best ride possible - Geometry — Mix between road and randonneuring with a relatively short rear end and a slightly lower bottom bracket than a standard road bike - 12mm front and rear thru-axles, flat-mount disc brakes - Front and rear rack mounts, fender mounts, and pump peg - Fork features ports for internal Dynamo cable routing - Tire Clearance — 43–61cm frames fit 650b x 47mm (650b x 42mm w/fenders); additionally, 49–61cm frames fit 700c x 45mm (700c x 42mm w/fenders) - Signature custom-cast dropout with replaceable derailleur hanger, signature lugged fork crown and custom fork ends, integrated seat collar, pantographed bottom bracket shell, reinforced bottle bosses for three bottle cages

RIDE ROADS, GRAVEL OR DIRT WITH THIS ALL-NEW ALUMINUM ALL-ROUNDER. A COMPOSITE FORK GIVES IT A SMOOTH RIDE, AND A FLIP CHIP LETS YOU ADJUST WHEELBASE AND TIRE CLEARANCE. KEY PERFORMANCE FACTORS Confident handling Frame is designed with endurance positioning and shorter chainstays for precise handling, agility and control. A longer reach, shorter stem and lower bottom bracket drop improves stability on rugged terrain. Tuned compliance New frame features thinner, dropped seatstays to absorb road shocks and vibrations. D-Fuse handlebar and seatpost work as a system to add compliance without sacrificing stiffness while cornering, sprinting or climbing. Adaptable to the terrain A flip chip on the rear dropout adjusts the wheelbase short for quicker handling and acceleration, or long for improved stability at speed. The long setting allows for larger diameter tires up to 53mm. You can choose the included D-Fuse seatpost for maximum compliance, or switch to a 30.9mm round or dropper post.

The all-new Revolt features a lightweight ALUXX aluminum frame with updated gravel geometry including a longer reach and lower bottom bracket for added stability. A flip chip on the rear dropout adjusts wheelbase and tire clearance, and you can choose the included D-Fuse seatpost for maximum compliance or switch to a 30.9mm round or dropper post. The frame is integrated for disc brakes and it has clearance for larger tires up to 53mm.

Steel Commuter and Gravel Bike Preamble is a hard-boiled steel commuter built for comfort, durability, and buffoonery on pavement and gravel. Nothing More is Needed. Nothing Less Will Do. The challenge was thus: Build a serious steel bike and give it only the attributes that matter most. Make it quick and comfortable on pavement, as well as confident and compliant on degraded surfaces. What the Enginerds put forth is Preamble, a pavement and gravel utility worker that proves you don't need to cut corners or clip coupons to make a more affordable steel bike. You just need to keep shit simple. Preamble can run racks and fenders and carry a couple water bottles. Surly was raised on stealing basic cable, after all. Smooth and efficient on asphalt, Preamble's double-butted main triangle provides a resplendent ride feel and withstands abuse from life's inevitable potholes. Make it your own with flat bars, drop bars, a basket, or bags. On the road to steel euphoria, Preamble is the gateway drug. Let facts be submitted to a candid world: - Offered in flat-bar and drop-bar configurations - Easy T-Shirt sizing to fit nearly every rider (XS, S, M, L, XL) - Sloping top tubes on XS and Small frames for improved standover and comfort - To offer the best rider experience for every frame size, XS and S frames get 650b wheelsets while M–XL get 700c - Custom-cast single-position vertical dropout