Crank Shortener

$149.00

Crank length adapter.  For making cranks shorter without replacing the crankset.

For cyclist’s with short legs needing a shorter length crank arm, or cyclist’s with limited lower limb range of motion due to injury or surgery.

Also known as a rehab crank.

Description

Adjustable crank length for cyclists with limited knee or hip range of motion. Four different pedal settings available, which can reduce crank length by 24mm, 41 mm, 59 mm or 76 mm.  Standard 9/16″ pedal axle holes.

Crank length can be adjusted as range of motion increases during a recovery process.

Also useful for cyclists with short inseams (under 80cm) who would benefit from turning a smaller radius to resolve or prevent knee pain.

Suitable for use on regular bicycles, ebikes, and indoor exercise bikes like the Peloton bike.

Installs in 10 minutes. Manufactured in USA from high grade aluminum alloy into an attractive shape that easily bolts onto your existing bicycle crank.  Will not scratch or mar crank arms.

Set includes both left and right side adapters and hex wrenches for installation and adjustment.

NOTE: If your pedals are an older style with flats requiring a pedal wrench for removal and installation, you will need a pedal wrench to move your pedals from your existing crank arms onto the crank shorteners.

The use of this product will increase the stance width of the cyclist, equivalent to the width of the crank arm on each side.

Click here for Orthopedal installation instructions

MODEL CHOICE

Standard: This model fits cranks from 5/8″ wide to 1-1/8″ wide. This typically applies to steel cranks and “older style” aluminum cranks.

Fits on Peloton Bikes.

Wide: This model fits cranks over 1-1/8″ wide to 1-3/4″ wide. This typically applies to “new style” aluminum cranks.

Additional information

Weight 0.9 lbs
Dimensions 8.5 × 5.3 × 1.6 in
Model

Standard, Wide

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Q & A

Does this fit a bowflex velocore exercise bike?. Christine asked on November 25, 2021

It looks like it while be suitable for this exercise bike, but you will need to measure the width of the crank arm to see if you need the standard or wide version.

johnadmin answered on November 26, 2021 store manager
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