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Cannondale's take on the ultimate all-round gravel bike. Go anywhere, bring everything and then keep on going.
Cannondale's take on the ultimate all-round gravel bike. Go anywhere, bring everything and then keep on going.
Cannondale

Cannondale Topstone Carbon 3 GRX 2x Smoke Black Gravel Bike

£3,495.00
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In the unlikely event that you are not completely satisfied with your purchase, simply return the item or items to us in their original condition* within 30 days of payment. You must notify us in writing within 7 working days, by phone or email of your intention to do this quoting your order number.
We will issue a refund or exchange the item for a different size / colour if preferred. Delivery charges are only refundable if the goods are faulty upon arrival and a return is made.
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We withhold the right to accept the return of any item where there is evidence that these instructions have not been followed.
For large items such as bikes and wheels we reserve the right to charge a re-stocking fee of 10% to cover our administration costs.

Cannondale Topstone Carbon 3 GRX 2x Smoke Black Gravel Bike

Season:2026

Brand:Cannondale

Code:CANC15175USMKBLK

Cannondale's take on the ultimate all-round gravel bike. Go anywhere, bring everything and then keep on going.

A jack-of-all-roads with zero compromises. The Topstone 3 GRX 2X is built with Shimano GRX610/820 blended group gearing and KingPin suspension to handle rough roads and smooth out the ride. WTB wheels and tires grip through dirt, gravel, and whatever’s under your treads. It’s the bike that turns any ride into an adventure story worth telling.

Features:
  • Lightweight full carbon frameset with Kingpin rear suspension, Proportional Response size-specific construction, and StashPort downtube storage
  • A combination of Shimano’s 2x12-speed GRX gravel groups – top-end GRX820 mechanical derailleurs, with GRX610 cranks, brakes and shifters, offers a killer performance value
  • Durable, dependable WTB ST i25 rims, with Shimano hubs and WTB Resolute 42c gravel tires
  • Cannondale 3 flared handlebars offer comfortable, gravel-friendly hand positions
  • Cannondale Wheel Sensor delivers hyper-accurate speed, distance and route info, service reminders, and more via the Cannondale App
Technical Information
  • Platform
    Topstone Carbon
  • Model Name
    Topstone Carbon 3 GRX - 2x
  • Model Code
    C15175U
  • Frame
    Topstone Carbon, Kingpin suspension system, Proportional Response construction, downtube Stashport, internal cable routing, 12x142mm thru-axle, 27.2 dropper post ready, UDH, BSA 68mm threaded BB, flat mount disc, 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
    Acros IS52/40 ICR
  • Rear Derailleur
    Shimano GRX 820, Shadow RD+
  • Front Derailleur
    Shimano GRX 820
  • Shifters
    Shimano GRX 610, 12-speed
  • Chain
    Shimano M7100, 12-speed
  • Crank
    Shimano GRX 610, 46/30
  • Rear Cogs
    Shimano HG710, 11-36, 12-speed
  • Bottom Bracket
    Shimano BSA 68
  • Brakes
    Shimano GRX 610 hydraulic disc, 160/160mm RT70 rotors
  • Brake Levers
    Shimano GRX 610 hydraulic disc
  • Front Hub
    Formula cartridge bearing, 12x100mm centerlock
  • Rear Hub
    Formula cartridge bearing, 12x142mm centerlock
  • Rims
    WTB ST i25 TCS, 28h, tubeless ready
  • Spokes
    Stainless Steel, 14g
  • Tire Size
    37
  • Wheel Size
    700c
  • Tires
    WTB Resolute TCS Light, 700x42c, tubeless ready
  • Front Tire
    WTB Resolute TCS Light, 700x42c, tubeless ready
  • Rear Tire
    WTB Resolute TCS Light, 700x42c, tubeless ready
  • Handlebar
    Cannondale 3, butted 6061 Alloy, 16 deg flare drop
  • Stem
    Cannondale C1 Conceal, Alloy, 31.8, -6°
  • Grips
    Cannondale KnurlCork, 2.7mm
  • Saddle
    Selle Royal SRX Open
  • Seatpost
    Cannondale 3, 6061 Alloy, 27.2x350mm
  • Wheel Sensor
    Cannondale Wheel Sensor
  • Extra 1
    Large StashBag downtube storage bag, tubeless valve stems
Sizing Information
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