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CJ Ackley Machine Company Crank Arm Shorteners Pair

SKU 210000004502

Reduce knee strain and increase cadence. Bolts into crankarm and pinches arm with adjustable cams.

Product Notes:

  • 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.