Topstone 1

 Explore further. Ride freer.

A capable, versatile gravel road bike. Built for chasing horizons, exploring routes less travelled or accelerating your commute. 

 

 

 

Drivetrain

• Bottom Bracket

  FSA Cartridge
• Chain

  KMC X11, 11-speed
• Crank

  FSA Omega AGX+ Alloy, 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 600, 11-speed

Frameset

• Fork

  BallisTec Full Carbon, 1-1/8" to 1-1/4" steerer, 55mm OutFront offset, flat mount disc, internal routing, 12x100 thru axle
• Frame

  SmartForm C2 Alloy, 12x142 thru-axle, tapered headtube, flat mount disc, StraightShot internal cable routing, multiple gear/bottle mounts
• Headset

  Integrated, 1-1/8" - 1-1/4"

Wheels

• Front Hub

  Formula cartridge bearing, Centerlock, 12x100mm
• Rear Hub

  Formula cartridge bearing, Centerlock, 12x142mm
• Rims

  WTB ST 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 600 hydraulic disc
• Brakes

  Shimano GRX 400, hydraulic disc, 160/160mm RT54 rotors

Components

• Grips

  Cannondale Bar Tape, 3.5mm
• Handlebar

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

  Fabric Scoop Radius Sport, steel rails
• Seatpost

  Cannondale 3, 6061 Alloy, 27.2 x 350mm
• Stem

  Cannondale 3, 6061 Alloy, 31.8, 7