CJA Crank Shortener – 1/2 inch pedal bolt


Brand: CJ Ackley Machine

CJA crank shortener bolt to attach crank shortener to crank sets with 1/2 inch pedal axle holes.

Available as a pair or single sided.

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Brand: Ortho Pedal


Replacement bolts for use with the CJA Crank Shortener when the original crank uses 1/2″ pedals instead of 9/16″ pedals.  1/2″ pedals are more likely on some models of stationary exercise bikes and some kids bikes.

Available as a pair, or single side only – for which you need to specify left or right.

Note: the crank shortener pedal axle holes are 9/16″ so you will not be able to attach 1/2″ pedals to the crank shortener.  You will need 9/16″ pedals.

These bolts are used to attach the crank shorterner to the existing crank arm.



Additional information

Weight.2 lbs
Dimensions3 × 3 × 1 in

Pair, Left only, Right only


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