The Topstone 2 Gravel Bike is an amazingly capable, versatile gravel road bike. Built for chasing horizons, exploring routes less travelled or accelerating your commute. It s your perfect gravel road exploring machine which gives you traction, handling, and comfort.Lightweight Smart Form C2 Alloy frame with full carbon forkShimano GRX 400 2x 10-speed gravel groupsetWTB ST i23 TCS rims with Vittoria Terreno Dry tyresFull Carbon Fork - Light, comfortable, and precise. An all-new carbon fork features three mount bosses on each leg for maximizing cargo capacity, plus an easy mounting point for fenders - letting you ride any adventure in any condition.OutFront Steering Geometry - Confident stability meets nimble agility. An extra-long fork offset paired with a slack head angle keeps the steering light and lively yet delivers unreal confidence at speed and in the rough stuff.Dropper Ready - Built to accept an internally routed 27.2 dropper seatpost, which shouldn t really be a surprise on a bike that's this off-road capable.Load Up. Roll Out - With plentiful gear and water bottle mounts on the frame and fork, Topstone is ready to load up and go long.Straightforward, reliable and a whole hell of a lotta fun, the Topstone Alloy is a gravel bike crafted for those with a taste for adventure and value. Roll light and free, or load it up for a long haul, Topstone s comfortable ride, confident handling and up-for-anything capability make it the perfect partner on any road, anywhere. Clearance for big 45mm tyres lets you push further into the rough stuff and enjoy more grip and comfort on every ride. Easy to Live With. Easy to Love. Everything on the Topstone is designed for simplicity, ease of use and compatibility. Whether you're setting out on a big ride or taking the long way to work - less down time, more ride time.Size Guide:XS - 4'10" to 5'5"SM - 5'3" to 5'9"MD - 5'7" to 6'1"LG - 5'10" to 6'4"XL - 6'0" to 6'8"
Gravel is all about adventure, so we've equipped Topstone Alloy for getting out there with the reliable confidence only a Topstone can deliver. An all-new fork offers three mounting points on each leg, with a plethora of frame mounts for weekend jaunts or big bikepacking trips.Explore further. Ride freer.An amazingly capable, versatile gravel road bike. Built for chasing horizons, exploring routes less travelled or accelerating your commute. Straightforward, reliable and a whole hell of a lotta fun, the Topstone Alloy is a gravel bike crafted for those with a taste for adventure – and value. Roll light and free, or load it up for a long haul, Topstone’s comfortable ride, confident handling and up-for-anything capability make it the perfect partner on any road, anywhere.Wide Ranging CapabilitiesClearance for big 45mm tires lets you push further into the rough stuff, and enjoy more grip and comfort on every ride.Easy to Live With. Easy to Love.Everything on the Topstone is designed for simplicity, ease of use and compatibility. Whether you're setting out on a big ride or taking the long way to work - less down time, more ride time.Confident controlThe secret to a great bike is in its geometry. We've dialed in the rider position to be upright enough for comfort and control on technical terrain, yet forward enough for speedy, drop-bar efficiency.Load Up. Roll Out.With plentiful gear and waterbottle mounts on the frame and fork, Topstone is ready to load up and go long.Pack for lunch or pack for the weekend, with mounts for three waterbottles, top tube storage and fork mounts - plus sturdy rack mounts, Topstone Alloy is ready to go long.Where it thrivesGravel roads, out in the elementsWhat it's built forTraction, handling, comfortHighlightsLightweight SmartForm C2 Alloy frame w/ full carbon fork,microSHIFT Advent X, wide range 10-speed group,WTB Riddler Comp tires, 700 x 37c.
A lightweight, capable, and versatile gravel e-bike, with the power to chase horizons, explore routes less traveled or accelerate your daily routine.Invisible Assist. The nearly hidden, lightweight and powerful Mahle ebikemotion X35+ drive system keeps the fun level high with a pure riding experience - amplified.Adventure Ready. A lightweight, no-frills, all-function gravel road bike with multiple mounts for waterbottles, racks and storage, that delivers a smooth ride and unflappable competence to go long.Confident Control. A balanced riding position: upright enough for comfort over the long haul and control on technical terrain, yet still low and forward enough for speedy efficiency.Smooth and Able. Built with plenty of room for tires up to 42mm wide, for comfort, grip and adventurous capabilityThe BoostThe Mahle ebikemotion drive system uses a lightweight 250W rear hub motor and hidden 250Wh battery to provide three levels of support. It's there when you need it, nearly imperceptible when you don't.Intuitive ControllerThe integrated top tube controller lets you turn the system on, select your assist level and see your battery charge, all at the touch of a button, keeping your handlebars clean and uncluttered.ConnectedAn integrated wheel sensor delivers hyper accurate speed, route and distance info, registers your bike, reminds you of needed service and more, all through the free Cannondale App.Dialed Endurance FitOffers a perfectly balanced riding position: upright enough for comfort over the long haul and control when tackling off-road terrain, yet still low and forward enough for speedy efficiency.
Gravel is all about adventure, so we've equipped Topstone Alloy for getting out there with the reliable confidence only a Topstone can deliver. An all-new fork offers three mounting points on each leg, with a plethora of frame mounts for weekend jaunts or big bikepacking trips.Explore further. Ride freer.An amazingly capable, versatile gravel road bike. Built for chasing horizons, exploring routes less travelled or accelerating your commute. Straightforward, reliable and a whole hell of a lotta fun, the Topstone Alloy is a gravel bike crafted for those with a taste for adventure – and value. Roll light and free, or load it up for a long haul, Topstone’s comfortable ride, confident handling and up-for-anything capability make it the perfect partner on any road, anywhere.Wide Ranging CapabilitiesClearance for big 45mm tires lets you push further into the rough stuff, and enjoy more grip and comfort on every ride.Easy to Live With. Easy to Love.Everything on the Topstone is designed for simplicity, ease of use and compatibility. Whether you're setting out on a big ride or taking the long way to work - less down time, more ride time.Confident controlThe secret to a great bike is in its geometry. We've dialed in the rider position to be upright enough for comfort and control on technical terrain, yet forward enough for speedy, drop-bar efficiency.Load Up. Roll Out.With plentiful gear and waterbottle mounts on the frame and fork, Topstone is ready to load up and go long.Pack for lunch or pack for the weekend, with mounts for three waterbottles, top tube storage and fork mounts - plus sturdy rack mounts, Topstone Alloy is ready to go long.Where it thrivesGravel roads, out in the elementsWhat it's built forTraction, handling, comfortHighlightsLightweight SmartForm C2 Alloy frame w/ full carbon fork,Shimano Sora 9-speed shifting,WTB Riddler Comp tires, 700x37c.
Go ahead, ride it. If your idea of a fun road ride starts where the pavement ends, no other gravel bike can take you further than the Topstone Carbon and its revolutionary Kingpin suspension system. Offered with either a rigid carbon fork, or as a full dual suspension machine with the Lefty Oliver gravel fork, these bikes offer traction, comfort and control beyond the dreams of other drop-bar bikes. On everything from beat-up backroads to full-tilt singletrack, Topstone Carbon lets you get in deep & come out smiling.Tuned for the RiderOur Proportional Response size-specific construction creates optimal frame stiffness and compliance for each frame size, so that every rider has the ideal ride feel and comfort of Kingpin.Engineered SimplicityNew low-friction bushings on the Kingpin thru-axle offer smooth action, maintenancefree reliability and over 100 grams of weight savings vs the previous cartridge bearings.Clearance and CompatibilityThe new dropped chainstay design lets you run big volume tires (up to 700x45mm or 27.5x2.1", with 6mm of mud-shedding clearance on each side), all with a standard dish (nonAi) rear wheel for easy interchangeability.OutFront Steering GeometryConfident stability meets nimble agility. An extra long fork offset paired with a slack head angle keeps the steering light and lively, yet delivers unreal confidence at speed and in the rough stufConnectedAn integrated wheel sensor delivers hyper-accurate speed, route and distance info while you ride, registers your bike, reminds you of needed service and more, all through the free Cannondale App.Key BenefitsKingpin Suspension. Delivering a smooth ride without the added weight and complexity of a shock and links, Kingpin is our answer for the most demanding gravel riders. Whether you need more comfort to go long, more traction to push beyond or more give to take on the tech - Kingpin is the maintenance-free, lightweight answer to your prayers.,As You Like It. A configuration for every gravel style. On the 1 and 2 models, choose between the rowdy capability of Lefty or the added security of SmartSense. The 3 is offered with or without SmartSense lights. And the 4 is SmartSense-ready for future upgrades.,Lefty Goes Big. Now designed around 700c wheels, with room for up to 45mm tires, the smoothest, most precise-handling gravel fork in the world has gotten even faster. With bigger wheels and 30mm of bob-free travel, Lefty Oliver gives you the comfort and control to push it harder than ever.,Ride Brilliantly. All new Topstone Carbon models are either equipped with or ready to upgrade to our SmartSense system of rear-facing radar and intelligent running lights. It's never been easier to ride smart.,Load Up. Roll Out. With plentiful gear and waterbottle mounts on the frame and fork, Topstone Carbon is ready to load up and go long.,Corner like a Boss. Rail through the rough and come out smiling. Led by our OutFront steering geometry, the Topstone Carbon offers up handling that's serenely stable in the chop, and light & nimble everywhere else..
Go ahead, ride it. If your idea of a fun road ride starts where the pavement ends, no other gravel bike can take you further than the Topstone Carbon and its revolutionary Kingpin suspension system. Offered with either a rigid carbon fork, or as a full dual suspension machine with the Lefty Oliver gravel fork, these bikes offer traction, comfort and control beyond the dreams of other drop-bar bikes. On everything from beat-up backroads to full-tilt singletrack, Topstone Carbon lets you get in deep & come out smiling.Tuned for the RiderOur Proportional Response size-specific construction creates optimal frame stiffness and compliance for each frame size, so that every rider has the ideal ride feel and comfort of Kingpin. Engineered SimplicityNew low-friction bushings on the Kingpin thru-axle offer smooth action, maintenancefree reliability and over 100 grams of weight savings vs the previous cartridge bearings.Lefty OliverThe ultimate gravel suspension fork. Unique single-sided design and needle-bearing internals deliver unmatched steering precision and smoothness for unreal control and comfort. In both carbon and alloy versions.Clearance and CompatibilityThe new dropped chainstay design lets you run big volume tires (up to 700x45mm or 27.5x2.1", with 6mm of mud-shedding clearance on each side), all with a standard dish (nonAi) rear wheel for easy interchangeability.OutFront Steering GeometryConfident stability meets nimble agility. An extra long fork offset paired with a slack head angle keeps the steering light and lively, yet delivers unreal confidence at speed and in the rough stufConnectedAn integrated wheel sensor delivers hyper-accurate speed, route and distance info while you ride, registers your bike, reminds you of needed service and more, all through the free Cannondale App. Key BenefitsKingpin Suspension. Delivering a smooth ride without the added weight and complexity of a shock and links, Kingpin is our answer for the most demanding gravel riders. Whether you need more comfort to go long, more traction to push beyond or more give to take on the tech - Kingpin is the maintenance-free, lightweight answer to your prayers.,As You Like It. A configuration for every gravel style. On the 1 and 2 models, choose between the rowdy capability of Lefty or the added security of SmartSense. The 3 is offered with or without SmartSense lights. And the 4 is SmartSense-ready for future upgrades.,Lefty Goes Big. Now designed around 700c wheels, with room for up to 45mm tires, the smoothest, most precise-handling gravel fork in the world has gotten even faster. With bigger wheels and 30mm of bob-free travel, Lefty Oliver gives you the comfort and control to push it harder than ever.,Ride Brilliantly. All new Topstone Carbon models are either equipped with or ready to upgrade to our SmartSense system of rear-facing radar and intelligent running lights. It's never been easier to ride smart.,Load Up. Roll Out. With plentiful gear and waterbottle mounts on the frame and fork, Topstone Carbon is ready to load up and go long.,Corner like a Boss. Rail through the rough and come out smiling. Led by our OutFront steering geometry, the Topstone Carbon offers up handling that's serenely stable in the chop, and light & nimble everywhere else..
Gravel is all about adventure! The Cannondale Topstone 1 is built for getting out there with the reliable confidence only a Topstone can deliver. An all-new fork offers three mounting points on each leg, with a plethora of frame mounts for weekend jaunts or big bikepacking trips.Key Features : Lightweight SmartForm C2 Alloy frame for a versatile ride,Topstone Carbon fork ensures you are ready for any adventure,37mm Vittoria Terreno Dry Tubeless ready tyres offer confident handling on and off-road,Shimano GRX 11 Speed Groupset ensures reliable shifting ,Colours: Cinnamon, Mercury,Sizes: X Small, Small, Medium, Large, X Large,The Cannondale Topstone 1 is available with 0% APR finance,.The Topstone is an amazingly capable, versatile gravel road bike. Built for chasing horizons, exploring routes less travelled or accelerating your commute. Straightforward, reliable and a whole hell of a lotta fun, the Topstone Alloy is a gravel bike crafted for those with a taste for adventure – and value. Roll light and free, or load it up for a long haul, Topstone’s comfortable ride, confident handling and up-for-anything capability make it the perfect partner on any road, anywhere.There is plenty of clearance with the Topstone, 45mm tires lets you push further into the rough stuff, and enjoy more grip and comfort on every ride. Everything on this gravel bike is designed for simplicity, ease of use and compatibility. Whether you're setting out on a big ride or taking the long way to work - less down time, more ride time.The secret to a great bike is in its geometry. Which has dialed in the rider position to be upright enough for comfort and control on technical terrain, yet forward enough for speedy, drop-bar efficiency.With plentiful gear and waterbottle mounts on the frame and fork, Topstone is ready to load up and go long. Pack for lunch or pack for the weekend, with mounts for three waterbottles, top tube storage and fork mounts - plus sturdy rack mounts, Topstone Alloy is ready to go long.All Tredz bikes are:Fully built & ready to ride,Fully checked & tested by Cytech qualified mechanics,Available with 0% APR finance on any basket over £99,UK price match guarantee,365 day no hassle returns,Free delivery in the UK Mainland on a date that suits you,.In the box with every Tredz bike is:Free Tredz 9 key trail tool,Free Tredz pedal spanner,Free basic pedals,Tredz drawstring kit bag,16 point quality control check sheet,Basic bike setup instructions,Free Cycle Plan insurance voucher,.
Go ahead, ride it. If your idea of a fun road ride starts where the pavement ends, no other gravel bike can take you further than the Topstone Carbon and its revolutionary Kingpin suspension system. Offered with either a rigid carbon fork, or as a full dual suspension machine with the Lefty Oliver gravel fork, these bikes offer traction, comfort and control beyond the dreams of other drop-bar bikes. On everything from beat-up backroads to full-tilt singletrack, Topstone Carbon lets you get in deep & come out smiling.Tuned for the RiderOur Proportional Response size-specific construction creates optimal frame stiffness and compliance for each frame size, so that every rider has the ideal ride feel and comfort of Kingpin.Engineered SimplicityNew low-friction bushings on the Kingpin thru-axle offer smooth action, maintenancefree reliability and over 100 grams of weight savings vs the previous cartridge bearings.Clearance and CompatibilityThe new dropped chainstay design lets you run big volume tires (up to 700x45mm or 27.5x2.1", with 6mm of mud-shedding clearance on each side), all with a standard dish (nonAi) rear wheel for easy interchangeability.OutFront Steering GeometryConfident stability meets nimble agility. An extra long fork offset paired with a slack head angle keeps the steering light and lively, yet delivers unreal confidence at speed and in the rough stuffConnectedAn integrated wheel sensor delivers hyper-accurate speed, route and distance info while you ride, registers your bike, reminds you of needed service and more, all through the free Cannondale App.Key BenefitsKingpin Suspension. Delivering a smooth ride without the added weight and complexity of a shock and links, Kingpin is our answer for the most demanding gravel riders. Whether you need more comfort to go long, more traction to push beyond or more give to take on the tech - Kingpin is the maintenance-free, lightweight answer to your prayers.,As You Like It. A configuration for every gravel style. On the 1 and 2 models, choose between the rowdy capability of Lefty or the added security of SmartSense. The 3 is offered with or without SmartSense lights. And the 4 is SmartSense-ready for future upgrades.,Lefty Goes Big. Now designed around 700c wheels, with room for up to 45mm tires, the smoothest, most precise-handling gravel fork in the world has gotten even faster. With bigger wheels and 30mm of bob-free travel, Lefty Oliver gives you the comfort and control to push it harder than ever.,Ride Brilliantly. All new Topstone Carbon models are either equipped with or ready to upgrade to our SmartSense system of rear-facing radar and intelligent running lights. It's never been easier to ride smart.,Load Up. Roll Out. With plentiful gear and waterbottle mounts on the frame and fork, Topstone Carbon is ready to load up and go long.,Corner like a Boss. Rail through the rough and come out smiling. Led by our OutFront steering geometry, the Topstone Carbon offers up handling that's serenely stable in the chop, and light & nimble everywhere else..
Gravel is all about adventure, so the Cannondale Topstone 2 is equipped for getting out there with the reliable confidence only a Topstone can deliver. The all-new Topstone fork offers three mounting points on each leg, with a plethora of frame mounts for weekend adventures or big bikepacking trips.Key Features : Lightweight SmartForm C2 Alloy frame for a comfortable ride,Topstone Carbon fork ensures you are ready for your adventures,37mm WTB Riddler Tubeless tyres offer confident handling on and off-road,Shimano GRX 10 Speed Groupset ensures reliable shifting ,Colours: Midnight Blue, Olive Green,Sizes: X Small, Small, Medium, Large, X Large,The Cannondale Topstone 2 is available with 0% APR finance,.The Topstone is amazingly capable, versatile gravel bike. Built for chasing horizons, exploring routes less travelled or accelerating your commute to work. Straightforward, reliable and a whole hell of a lotta fun, the Topstone Alloy is a gravel bike crafted for those with a taste of adventure. Roll light and free, or load it up for those long haul trips. This bike offers a range of riding capabilities. Clearance for big 45mm tyres lets you push further into the rough stuff, and enjoy more grip and comfort on every ride. Everything on the Topstone is designed for simplicity, ease of use and compatibility. Whether you're setting out on a big ride or taking the long way to work - less down time, more ride time.The secret to a great bike is in its geometry. The geometry has been dialled in to enable the rider to be upright enough for comfort and in full control on technical terrain, yet forward enough for speedy, drop-bar efficiency. With plentiful gear and waterbottle mounts on the frame and fork, Topstone is ready to load up and go long.Where the Topstone thrives, is in its adventures. Pack for lunch or pack for the weekend, with mounts for three waterbottles, top tube storage and fork mounts - plus sturdy rack mounts, this bike is ready to go.All Tredz bikes are:Fully built & ready to ride,Fully checked & tested by Cytech qualified mechanics,Available with 0% APR finance on any basket over £99,UK price match guarantee,365 day no hassle returns,Free delivery in the UK Mainland on a date that suits you,.In the box with every Tredz bike is:Free Tredz 9 key trail tool,Free Tredz pedal spanner,Free basic pedals,Tredz drawstring kit bag,16 point quality control check sheet,Basic bike setup instructions,Free Cycle Plan insurance voucher,.
An e-gravel bike like no other. Already the most off-road capable and on-road comfortable gravel bike, we’ve now added a Bosch motor for more power.E-Bike + GravelWe combined our finest carbon gravel bike chassis with the best motor system from Bosch to create a powerful, go-anywhere, do-anything adventure machine with unreal riding qualities and a range of up to 125 km.Kingpin SuspensionAn outstanding bike needs an outstanding chassis. Our revolutionary Kingpin rear suspension delivers 30mm of plush travel and compliance that is a dream to ride. More grip, more go.Multi-Function, Multi-PurposeBig clearance for big?650b?x?40c?tires. Internal dropper post compatibility. Refined geometry and a confident rider position all come together to create a machine that’s stable, composed and laugh-out-loud enjoyable to ride.
Go ahead, ride it. If your idea of a fun road ride starts where the pavement ends, no other gravel bike can take you further than the Topstone Carbon and its revolutionary Kingpin suspension system. Offered with either a rigid carbon fork or as a full dual suspension machine with the Lefty Oliver gravel fork, these bikes offer traction, comfort, and control beyond the dreams of other drop-bar bikes. On everything from beat-up backroads to full-tilt singletrack, Topstone Carbon lets you get in deep & come out smiling.Tuned for the RiderOur Proportional Response size-specific construction creates optimal frame stiffness and compliance for each frame size so that every rider has the ideal ride feel and comfort of Kingpin.Engineered SimplicityNew low-friction bushings on the Kingpin thru-axle offer smooth action, maintenance-free reliability, and over 100 grams of weight savings vs the previous cartridge bearings.Clearance and CompatibilityThe new dropped chainstay design lets you run big-volume tires (up to 700x45mm or 27.5x2.1", with 6mm of mud-shedding clearance on each side), all with a standard dish (nonAi) rear wheel for easy interchangeability.OutFront Steering GeometryConfident stability meets nimble agility. An extra-long fork offset paired with a slack head angle keeps the steering light and lively, yet delivers unreal confidence at speed and in the rough stuff.ConnectedAn integrated wheel sensor delivers hyper-accurate speed, route and distance info while you ride, registers your bike, reminds you of needed service and more, all through the free Cannondale App.Key Benefits Kingpin Suspension. Delivering a smooth ride without the added weight and complexity of a shock and links, Kingpin is our answer for the most demanding gravel riders. Whether you need more comfort to go long, more traction to push beyond, or more give to take on the tech - Kingpin is the maintenance-free, lightweight answer to your prayers.,As You Like It. A configuration for every gravel style. On the 1 and 2 models, choose between the rowdy capability of Lefty or the added security of SmartSense. The 3 is offered with or without SmartSense lights. And the 4 is SmartSense-ready for future upgrades.,Now designed around 700c and 650b wheels, with room for up to 45mm tires, the smoothest, most precise-handling gravel fork in the world has gotten even faster. With bigger wheels and 30mm of bob-free travel, the Topstone gives you the comfort and control to push it harder than ever.,Ride Brilliantly. All new Topstone Carbon models are either equipped with or ready to upgrade to our SmartSense system of rear-facing radar and intelligent running lights. It's never been easier to ride smart.,Load Up. Roll Out. With plentiful gear and water bottle mounts on the frame and fork, Topstone Carbon is ready to load up and go long.,Corner like a Boss. Rail through the rough and come out smiling. Led by our OutFront steering geometry, the Topstone Carbon offers up handling that's serenely stable in the chop, and light & nimble everywhere else.,.
Nothing is impassable The best gravel bike for anything from dirt roads to singletrack trails. With the grip and comfort of the Kingpin suspension nothing is off-limits. Where it thrives Gravel and Dirt Roads Rough Pavement Trails What it's built for Gravel riding back road exploring bike packing and off-road adventures Highlights Lightweight Topstone Carbon frameset with Kingpin suspension SmartSense compatible / Integrated Cannondale App connectivity Shimano GRX 800/600 11-speed gravel group WTB ST i25 TCS rims / WTB Sendero TCS Light 650B tubeless ready tyres Model Code C15362U Name Topstone Carbon 3 650b Category Road Platform Topstone Segment Gravel Frame Topstone Carbon Kingpin suspension system SmartSense compatible Proportional Response construction 12x142mm thru-axle 27.2 dropper post compatible BSA 68mm threaded BB DirectLine internal cable routing removable fender bridge multiple gear/bottle mounts Fork Topstone Carbon 1-1/8' to 1.5' steerer 55mm OutFront offset flat mount disc internal routing 12x100 thru-axle triple bottle/gear mounts fender mounts Rear Shock Null Rims WTB ST i25 TCS 650b 28h tubeless ready Hubs (F) Formula cartridge bearing 12x100mm centerlock / (R) Formula cartridge bearing 12x142mm centerlock Spokes Stainless Steel 14g Tires Vittoria Terreno Dry 700 x 38c Pedals Not included Crank FSA Gossamer Pro Modular AGX+ 46/30 Bottom Bracket Shimano BSA 68 Chain Shimano HG601 11-speed Rear Cogs Shimano HG700 11-34 11-speed Front Derailleur Shimano GRX 800 braze-on Rear Derailleur Shimano GRX 810 Shadow RD+ Shifters Shimano GRX 600 11-speed Handlebar Cannondale 3 butted 6061 Alloy 16 deg flare drop Grips Fizik Solocush Soft 3mm Stem Cannondale 3 6061 Alloy 31.8 7° Headset Integrated 1-1/8' - 1-1/2' Brakes Shimano GRX 600 hydraulic disc 160/160mm RT64 rotors Brake Levers Shimano GRX 600 hydraulic disc E-bike Display Null E-Bike Battery Null E-bike Charger Null E-bike Drive Unit Null Saddle Fizik Aliante Delta S-alloy rails Seatpost Cannondale 3 6061 Alloy 27.2 x 350mm Speeds 22 Weight Sizes Available XS S M L XL Chain Device Null Connectivity Cannondale Wheel Sensor Wheel Size 650b