Topstone Tiagra

 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 X10, 10-speed
• Crank

  FSA Omega ME Alloy, 46/30
• Front Derailleur

  Shimano Tiagra braze-on
• Rear Cogs

  Shimano HG500, 11-34, 10-speed
• Rear Derailleur

  Shimano Tiagra GS
• Shifters

  Shimano Tiagra hydro disc, 2x10

Frameset

• Fork

  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, 142x12 thru-axle, tapered headtube, flat mount disc, StraightShot internal cable routing, multiple gear/bottle mounts

  • 142x12 thru-axle
  • Tapered headtube
  • Flat mount disc
  • StraightShot internal cable routing
  • Multiple gear/bottle mounts
• Headset

  Topstone Si, 25mm Alloy top cap

Wheels

• Front Hub

  Formula CL-712, 12x100 centerlock
• Rear Hub

  Formula RXC-400
• Rims

  WTB ST i23 TCS, 28h, tubeless ready
• Spokes

  Stainless steel, 14g
• Tire Size

  40
• Tires

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

  700c

Brakes

• Brake Levers

  Shimano Tiagra hydro disc
• Brakes

  Shimano Tiagra hydro disc, 160/160mm RT54 rotors

Components

• Grips

  Cannondale Grip Bar Tape w/Gel, 3.5mm
• Handlebar

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

  Fabric Scoop Radius Sport, steel rails
• Seatpost

  Cannondale C3, 6061 Alloy, 27.2 x 350mm (44-56), 400mm (58-63)
• Stem

  Cannondale 3, 6061 alloy, 7°

Weight: 10.0 kg / 22.0 lbs - Bike and frame weights may vary in final production.