Topstone Carbon 4

More Give. More Go.

An unprecedented gravel bike. Rear suspension and fast-rolling 700c wheels offer unmatched comfort, control and speed from tarmac to outback. 

 

 

International Connectivity

• Wheel Sensor

  Cannondale Wheel Sensor

Drivetrain

• Bottom Bracket

  Cannondale BB30
• Chain

  Shimano HG601, 11-speed
• Crank

  Cannondale, BB30a, OPI SpideRing, 46/30
• Front Derailleur

  Shimano GRX 800, braze-on
• Rear Cogs

  Shimano 105, 11-34, 11-speed
• Rear Derailleur

  Shimano GRX 810, Shadow RD+
• Shifters

  Shimano GRX 800, 11-speed

Frameset

• Fork

  BallisTec Full Carbon, 1-1/8" to 1.5" steerer, 55mm OutFront offset, flat mount disc, internal routing, 12x100 speed release thru axle
• Frame

  BallisTec Carbon Frame, Kingpin suspension system, 12x142 Speed Release thru-axle, dropper post compatible, direct line cable routing
• Headset

  Integrated, 1-1/8" - 1.5"

Wheels

• Front Hub

  Formula cartridge bearing, Centerlock, 12x100mm
• Rear Hub

  Formula cartridge bearing, Centerlock, 12x142mm
• Rims

  WTB KOM Light i23 TCS, 28h, tubeless ready
• Spokes

  Stainless Steel, 14g
• Tire Size

  37
• Tires

  WTB Riddler TCS Light, 700 x 37c, tubeless ready
• Wheel Size

  700c

Brakes

• Brake Levers

  Shimano GRX 800 hydraulic disc
• Brakes

  Shimano GRX 800 hydraulic disc, 160/160mm RT70 rotor

Components

• Grips

  Cannondale Bar Tape, 3.5mm
• Handlebar

  Cannondale 3, butted 6061 alloy, 16 deg flare drop
• Saddle

  Fabric Scoop Shallow Elite, cro-mo rails
• Seatpost

  Cannondale 2, UD Carbon, 27.2 x 350mm
• Stem

  Cannondale 2, 6061 Alloy, 31.8, 7°

Extra

Extra 1 Removab