NEW Cannondale Topstone Carbon 3 GRX 1x 51cm. Fully stock build from Cannondale. 

Full specs from Cannondale:

• 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