Details

• Platform
• Model Name

  Topstone Carbon 4
• Model Code

  C15402U

Frameset

• Frame

  Topstone Carbon, Kingpin suspension system, SmartSense compatible, Proportional Response construction, 12x142mm thru-axle, 27.2 dropper post ready, BSA 68mm threaded BB, DirectLine internal cable routing, removable fender bridge, 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, triple bottle/gear mounts, fender mounts
• Headset

  Integrated, 1-1/8" - 1-1/2"

Drivetrain

• Rear Derailleur

  Shimano GRX 400, Shadow RD
• Front Derailleur

  Shimano GRX 400, braze-on
• Shifters

  Shimano GRX 400, 10-speed
• Chain

  KMC X10, 10-speed
• Crank

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

  Shimano HG500, 11-34, 10-speed
• Bottom Bracket

  Shimano BSA 68

Brakes

• Brakes

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

  Shimano GRX 400 hydraulic disc

Wheels

• Rims

  WTB ST i23 TCS, 700c, 28h, tubeless ready
• Spokes

  Stainless Steel, 14g
• Tires

  WTB Riddler Comp, 700 x 45c (Europe/UK - Vittoria Terreno Dry 700 x 40c)
• Tire Size

  45
• Wheel Size

  700c
• Hubs

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

  WTB Riddler Comp, 700 x 45c (Europe/UK - Vittoria Terreno Dry 700 x 40c)
• Rear Tire

  WTB Riddler Comp, 700 x 45c (Europe/UK - Vittoria Terreno Dry 700 x 40c)

Components

• Handlebar

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

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

  Fizik Solocush Soft, 3mm
• Saddle

  Fizik Aliante Delta, S-alloy rails
• Seatpost

  Cannondale 3, 6061 Alloy, 27.2 x 350mm

Connectivity

• Wheel Sensor

  Cannondale Wheel Sensor