Cannondale Topstone Crb 3 GRX 1x Deep Teal 51

Always Game

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

Model Description

One chainring, endless possibilities. The Topstone 3 GRX - 1X delivers simplicity without sacrificing performance. A Shimano GRX610/820 blended group keeps shifting precise and reliable, while KingPin suspension takes the sting out of rough terrain. WTB tires keep you connected to the trail, making every ride a good one—whether it’s a quick lap or a full-day escapade.

What it's for

Gravel riding & racing, bikepacking, going hard and long on dirt or pavement

Highlights

• Lightweight full carbon frameset with Kingpin rear suspension, Proportional Response size-specific construction and StashPort downtube storage
• With a single chainring and wide-range SLX 12-speed cassette, this blend of Shimano’s top-end GRX820 and GRX610 gravel groups offers a killer performance value
• Durable, dependable WTB ST i25 rims, with Shimano hubs and WTB Riddler 45c gravel tires
• Cannondale 3 flared handlebars offer comfortable, gravel-friendly hand positions

• Specs

  Details

  • Platform

    Topstone Carbon
  • Model Name

    Topstone Carbon 3 GRX - 1x
  • Model Code

    C15195U

  Frameset

  • 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

  Drivetrain

  • Rear Derailleur

    Shimano GRX 822, Shadow SGS
  • Shifters

    Shimano GRX 610, 12-speed
  • Chain

    Shimano M7100, 12-speed
  • Crank

    Shimano GRX 610, 40T: 165mm (47cm), 170mm (51cm), 172.5 (54-56cm), 175mm (58-61cm)
  • Rear Cogs

    Shimano SLX M7100, 10-51, 12-speed
  • Bottom Bracket

    Shimano BSA 68

  Brakes

  • Brakes

    Shimano GRX 610 hydraulic disc, 160/160mm RT70 rotors
  • Brake Levers

    Shimano GRX 610 hydraulic disc

  Wheels

  • Rims

    WTB ST i25 TCS, 28h, tubeless ready
  • Spokes

    Stainless Steel, 14g
  • Tire Size

    45
  • Wheel Size

    700c
  • Hubs

    (F) Shimano TC500, 12x100mm centerlock / (R) Shimano TC500, 12x142mm centerlock
  • Tires

    WTB Riddler TCS Light, 700x45c, tubeless ready

  Components

  • Handlebar

    Cannondale 3, butted 6061 Alloy, 16 deg flare, 120mm drop: 400mm (47cm), 420mm (51-54), 440mm (56-61cm)
  • Stem

    Cannondale C1 Conceal, Alloy, 31.8, -6°: 70mm (47-51m), 80mm (54cm), 90mm (56-58cm), 100mm (61cm)
  • Grips

    Cannondale KnurlCork, 2.7mm
  • Saddle

    Selle Royal SRX Open
  • Seatpost

    Cannondale 3, 6061 Alloy, 27.2x350mm

  Extra

  • Extra 1

    Large StashBag downtube storage bag, tubeless valve stems
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