DETAILS

• Platform: Topstone Carbon
• 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" - 1.5"

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
• Rear Cogs: SunRace, 11-36, 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
• Tire Size: 45
• Wheel Size: 700c
• Hubs: (F) Formula cartridge bearing, 12x100mm centerlock / (R) Formula cartridge bearing, 12x142mm centerlock
• Tires: WTB Riddler Comp, 700x45c (Europe/UK - Vittoria Terreno Dry 700x40c)
• Front Tire: WTB Riddler Comp, 700x45c (Europe/UK - Vittoria Terreno Dry 700x40c)
• Rear Tire: WTB Riddler Comp, 700x45c (Europe/UK - Vittoria Terreno Dry 700x40c)

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, 27.2x350mm

CONNECTIVITY

• Wheel Sensor: Cannondale Wheel Sensor

EXTRA

• Extra 1: StrapRack tool/stuff holder