Topstone Carbon 1 RLE

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          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 Radar & Light equipped
          • SRAM Force eTap electronic 12-speed group / FSA K-Wing AGX Carbon bars
          • HollowGram G-SL 27 Carbon wheels

          Nothing is Impassable

          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.

          Get to Know Kingpin Suspension

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          Ride Brilliantly
          On every ride, SmartSense has your back. With SmartSense’s system of rear-facing radar and intelligent lights increasing your awareness and visibility out on the open road, it’s never been easier to ride smart.

          Features

          Engineered Simplicity

          Low-friction bushings on the Kingpin thru-axle offer smooth action, maintenance-free reliability and over 100 grams of weight savings vs conventional cartridge bearings.

          Clearance and Compatibility

          The 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 rear wheel for easy interchangeability.

          Tuned for the Rider

          Our 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.

          SmartSense Equipped

          Our intelligent system of running lights and rear-facing radar is fully integrated and powered by a single power source for total convenience. More visibility. Better awareness. Less pre-ride fiddling.

          Hollowgram G-SL 27 Carbon Wheels

          Light, smooth and guaranteed for life, these carbon hoops were made for gravel! The 27mm internal width is perfect for bigger tires and the 21mm deep profile takes the sting out of the rough and rugged. With DT Aerolite spokes and DT Swiss 240 EXP internals, they weigh a mere 1325 grams/pair.

          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.

          Connected

          An 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.

          Dropper Ready

          Built to accept an internally-routed 27.2mm dropper seatpost, which shouldn't really be a surprise on a bike this off-road capable.

          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.

          Topstone Carbon Explained

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          Specs

          Details

          • Platform
            Topstone Carbon
          • Model Name
            Topstone Carbon 1 RLE
          • Model Code
            C15052U

          Frameset

          • Frame
            Topstone Carbon, Kingpin suspension system, SmartSense equipped, Proportional Response construction, 12x142mm thru-axle, 27.2 dropper post ready, 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
          • Headset
            Integrated, Carbon, 1-1/8" - 1-1/2"

          Drivetrain

          • Rear Derailleur
            SRAM Force eTap AXS
          • Front Derailleur
            SRAM Force eTap AXS Wide, braze-on
          • Shifters
            SRAM Force eTap AXS, 12-speed
          • Chain
            SRAM Force, 12-speed
          • Crank
            SRAM Force Wide, 43/30
          • Rear Cogs
            SRAM XG-1270, 10-36, 12-speed
          • Bottom Bracket
            SRAM DUB BSA Road 68 Wide

          Brakes

          • Brakes
            SRAM Force eTap AXS hydraulic disc, 160/160mm CenterLine centerlock rotors
          • Brake Levers
            SRAM Force eTap AXS

          Wheels

          • Rims
            HollowGram G-SL 27 Carbon, 700c, 27mm internal width, 21mm deep, 28h, hookless, tubeless compatible
          • Spokes
            DT Swiss Aerolite
          • Tire Size
            45
          • Wheel Size
            700c
          • Hubs
            (F) HollowGram, sealed bearing 12x100mm, centerlock / (R) HollowGram 12x142mm w/ DT Swiss 240 EXP internals, centerlock
          • Tires
            WTB Vulpine TCS Light, 700x40c, tubeless ready (Europe/UK - Vittoria Terreno Dry 700x38c ANT tubeless compatible)
          • Front Tire
            WTB Vulpine TCS Light, 700x40c, tubeless ready (Europe/UK - Vittoria Terreno Dry 700x38c ANT tubeless compatible)
          • Rear Tire
            WTB Vulpine TCS Light, 700x40c, tubeless ready (Europe/UK - Vittoria Terreno Dry 700x38c ANT tubeless compatible)

          Components

          • Handlebar
            FSA K-Wing AGX Carbon
          • Stem
            FSA SL-K Stem, Alloy, -6°
          • Grips
            Fizik Solocush Soft, 3mm
          • Saddle
            Fizik Terra Argo X3, kium rails
          • Seatpost
            SAVE Carbon SmartSense, 27.2, 350mm (XS-L), 400mm (XL)

          Connectivity

          • Wheel Sensor
            Cannondale Wheel Sensor

          Extra

          • Extra 1
            SmartSense with Lights, Garmin Varia Radar and Trainer-compatible thru-axle

          Please note that, based on component availability and other factors, specifications are subject to change without notice.

          Geometry

          Gravel More Topstone

          See the Collection
          See the Collection