CJ Ackley Machine Company Crank Arm Shorteners Pair
Reduce knee strain and increase cadence. Bolts into crankarm and pinches arm with adjustable cams.
- Shortens crankarms by 24, 41, 58 and 75mm.
- Adjustable cams to fit a variety of crankarm widths from 23 to 42mm.
- Compatible with 9/16" pedal threads.
- Sold as a pair - left and right side.
- Comes complete with a 6mm allen wrench and a tube of Loctite 242 to install the shorteners on your crank arms.
- Pedal wrench not included.