DETAILS

• Platform

  Topstone Alloy
• Model Name

  Topstone 2 GRX - 2x
• Model Code

  C15235U

FRAMESET

• Frame

  Topstone, lightweight SmartForm C2 Alloy, 12x142 thru-axle, tapered headtube, BSA threaded BBm flat mount disc, StraightShot internal cable routing, 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, fender/gear mounts
• Headset

  Integrated, 1-1/8" - 1.5"

DRIVETRAIN

• Rear Derailleur

  Shimano GRX 400, Shadow RD+
• Front Derailleur

  Shimano GRX 400
• Shifters

  Shimano GRX 400, 10-speed
• Chain

  Shimano HG54, 10-speed
• Crank

  Shimano GRX 400 46/30
• Rear Cogs

  Shimano HG500, 11-32, 10-speed
• Bottom Bracket

  Shimano BSA 68

BRAKES

• Brakes

  Shimano GRX 400 hydraulic disc, 160/160mm RT30 centerlock rotors
• Brake Levers

  Shimano GRX 400 hydraulic disc

WHEELS

• Front Hub

  Shimano TC500, 12x100mm centerlock
• Rear Hub

  Shimano TC500, 12x142mm centerlock
• Rims

  GXD 1.0, 28h, 23mm internal width, tubeless ready
• Spokes

  Stainless Steel, 14g
• Tire Size

  37
• Wheel Size

  700c
• Tires

  WTB Riddler TCS Light, 700x37c, tubeless ready
• Front Tire

  WTB Riddler TCS Light, 700x37c, tubeless ready
• Rear Tire

  WTB Riddler TCS Light, 700x37c, tubeless ready

COMPONENTS

• Handlebar

  Cannondale 3, butted 6061 Alloy, 16 deg flare drop
• Stem

  Cannondale 3, 6061 Alloy, 31.8, 7°
• Grips

  Cannondale Knurl Cork, 2.7mm
• Saddle

  Selle Royal SRX Open
• Seatpost

  Cannondale 3, 6061 Alloy, 27.2x350mm

EXTRA

• Extra 1

  Tubeless valves