Crank Arm Shortener
- Thread starter Bbettis03
- Start date
"A"
Well-known member
- Local time
- 10:35 PM
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- Feb 13, 2022
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Crank arm shorteners can be heavy, add more weight to already heavy ebike.
I've fitted shorter cranks to a few of my ebikes for my wife (4'10") and my in-laws (4'8").
OEM cranks are 170mm.
152mm cranks or even 140mm cranks are fairly common at local bike shops, they likely will be able to install them onto the bike for you.
I've fitted shorter cranks to a few of my ebikes for my wife (4'10") and my in-laws (4'8").
OEM cranks are 170mm.
152mm cranks or even 140mm cranks are fairly common at local bike shops, they likely will be able to install them onto the bike for you.
Found this Aluminum one by CJ Ackley Machine Company out of Wisconsin. Easy to install and I am pedaling my bike now!!
C. J. A.
New member
You have this installed wrong. The mounting screw is supposed to sit down in the counterbored side that you have against the crank arm.
