2023 Topstone 1

Details

• Platform

  Topstone Alloy
• Model Name

  Topstone 1
• Model Code

  C15602U

Frameset

• Frame

  Lightweight SmartForm C2 Alloy, 12×142 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, 12×100 thru-axle, fender/gear mounts
• Headset

  Integrated, 1-1/8″ – 1-1/2″

Drivetrain

• Rear Derailleur

  Shimano GRX 810, Shadow RD+
• Front Derailleur

  Shimano GRX 800, braze-on
• Shifters

  Shimano GRX 600, 11-speed
• Chain

  KMC X11, 11-speed
• Crank

  Shimano GRX 600, 46/30 (Europe/UK – FSA Gossamer Pro Modular AGX+ 46/30)
• Rear Cogs

  Shimano 105, 11-34, 11-speed
• Bottom Bracket

  Shimano BB-RS500 (Europe/UK – FSA BB386 MegaEvo)

Brakes

• Brakes

  Shimano GRX 400 hydraulic disc, 160/160mm RT54 rotors
• Brake Levers

  Shimano GRX 600 hydraulic disc

Wheels

• Rims

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

  Stainless Steel, 14g
• Tires

  WTB Riddler TCS Light, 700 x 37c, tubeless ready (Europe/UK – Vittoria Terreno Dry, 700 x 35c, tubeless ready)
• Tire Size

  37
• Wheel Size

  700c
• Hubs

  (F) Formula cartridge bearing, 12x100mm centerlock / (R) Formula cartridge bearing, 12x142mm centerlock
• Front Tire

  WTB Riddler TCS Light, 700 x 37c, tubeless ready (Europe/UK – Vittoria Terreno Dry, 700 x 35c, tubeless ready)
• Rear Tire

  WTB Riddler TCS Light, 700 x 37c, tubeless ready (Europe/UK – Vittoria Terreno Dry, 700 x 35c, tubeless ready)

Components

• Handlebar

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

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

  Cannondale Bar Tape, 3.5mm
• Saddle

  Fizik Aliante Delta, S-alloy rails
• Seatpost

  Cannondale 3, 6061 Alloy, 27.2 x 350mm