Topstone Carbon 3 L 650b

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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 Light equipped
          • Aggressive 650x47 "Road Plus" wheels & tires
          • Shimano GRX 800/600 11-speed shifting

          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. SmartSense’s system of intelligent lights (and optional rear-facing radar) increases your visibility out on the open road and makes it easy 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 is powered by a single power source for total convenience. More visibility. Less pre-ride fiddling. Easily upgraded with SmartSense radar for enhanced awareness.

          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 3 L 650b
          • Model Code
            C15352U

          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, 1-1/8" - 1.5"

          Drivetrain

          • Rear Derailleur
            Shimano GRX 810, Shadow RD+
          • Front Derailleur
            Shimano GRX 810, braze-on
          • Shifters
            Shimano GRX 600, 11-speed
          • Chain
            Shimano HG601, 11-speed
          • Crank
            FSA Gossamer Pro Modular AGX+, 46/30
          • Rear Cogs
            Shimano HG700, 11-34, 11-speed
          • Bottom Bracket
            FSA Mega EXO

          Brakes

          • Brakes
            Shimano GRX 400 hydraulic disc, 160/160mm RT64 rotors
          • Brake Levers
            Shimano GRX 600 hydraulic disc

          Wheels

          • Rims
            WTB ST i25 TCS, 650b, 28h, tubeless ready
          • Spokes
            Stainless Steel, 14g
          • Tire Size
            47
          • Wheel Size
            650b
          • Hubs
            (F) Formula cartridge bearing, 12x100mm centerlock / (R) Formula cartridge bearing, 12x142mm centerlock
          • Tires
            WTB Sendero TCS Light, 650bx47mm (47-584), tubeless ready
          • Front Tire
            WTB Sendero TCS Light, 650x47c, tubeless ready
          • Rear Tire
            WTB Sendero TCS Light, 650x47c, tubeless ready

          Components

          • Handlebar
            Cannondale 3, butted 6061 Alloy, 16 deg flare drop
          • Stem
            Cannondale 3, 6061 Alloy, 31.8, 7°
          • Grips
            Fizik Solocush Soft, 3mm
          • Saddle
            Fizik Aliante Delta, S-alloy rails
          • Seatpost
            Cannondale 3 SmartSense, 6061 Alloy, 27.2x350mm

          Connectivity

          • Wheel Sensor
            Cannondale Wheel Sensor

          Extra

          • Extra 1
            SmartSense with Lights

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

          Geometry

          Gravel More Topstone

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