Bottom Bracket Axles
Cannondale Si SL bottom bracket 125 mm Ai offset KP451
Center spindle for Cannondale Hollowgram and Si cranks, length 125 mm, material aluminum alloy, Cannondale code KP451.
Force crankset axle 143 mm
Cottered bottom bracket spindle, 143 mm, bolt circle diameter 43 mm.
Cannondale KP308 crank axle Hollowgram 137 mm
Spindle for Cannondale Hollowgram and Si cranks, 137 mm in length