Shimano Dura Ace 9100 Mid Compact Crankset 52X36

Shimano Dura Ace 9100 Mid Compact Crankset 52x36. The revolutionary four arm spider and stiff Hollowglide chainring construction places the Shimano Dura Ace 9100 compact crankset at a new industry standard with a remarkable 621g in weight. Its new chainring tooth profile has been adapted to be compatible with race bike specific disc brake systems. The Dura Ace 9100 features a 24mm steel spindle axle, plus a choice between press fit and threaded bottom brackets.