Model Number
C15301M
Model Name
Topstone Carbon 2
Frame
BallisTec Carbon Frame, Kingpin suspension system, Speed Release thru-axle, dropper post compatible, direct line cable routing
Fork
BallisTec Full Carbon, 1-1/8" to 1.5" steerer, 55mm OutFront offset, flat mount disc, internal routing, 12x100 speed release thru axle
Rims
HollowGram 22, Superlight Hi-Impact Carbon, 28h, 22mm deep, 25mm IW, tubeless ready
Hubs
(F) HollowGram, cartridge bearing, Centerlock, 12x100mm / (R) HollowGram 3-pawl, Centerlock, cartridge bearing, 12x142mm
Spokes
HollowGram, 2.0/1.8/2.0, straight-pull
Tires
WTB Riddler TCS Light, 700 x 37c, tubeless ready
Crank
HollowGram, BB30a, OPI SpideRing, 46/30
Bottom Bracket
Cannondale BB30
Chain
Shimano HG701, 11-speed
Rear Cogs
Shimano Ultegra, 11-34, 11-speed
Rear Derailleur
Shimano GRX 810, Shadow RD+
Shifters
Shimano GRX 800, 11-speed
Handlebar
Cannondale 3, butted 6061 alloy, 16 deg flare drop
Grips
Cannondale Bar Tape, 3.5mm
Stem
Cannondale 2, 6061 Alloy, 31.8, 7°
Headset
Integrated, 1-1/8" - 1.5"
Brakes
Shimano GRX 800 hydraulic disc, 160/160mm RT800 rotor
Brake Levers
Shimano GRX 800 hydraulic disc
Saddle
Fabric Scoop Shallow Race, titanium rails
Seatpost
HollowGram SAVE Carbon, 27.2 x 350mm
Speeds
22
Extras
Removable fender bridge
Connectivity
Cannondale Wheel Sensor