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Not Compatible with 50mm-51mm/2 inch bottom bracket
Not Compatible with inner diamter 50mm-51mm/2 inch bottom bracket
34.5mm cups
- Outside diameter of 2 cups of this crank kits: 34.5mm/1.358 inch;
- Compatible with 44mm OD bottom bracket;
if your bike get 50mm-51mm/2 inch Inner diameter bottom bracket, you have to buy the CDHpower BB Bottom Bracket Conversion CONVERTER/BB bottom bracket adapter, then compatible with your bottom bracket of bike;
THIS IS CDHPOWER BB CONVERTER/ADAPTER,THIS ADAPTER IS COMPATIBLE WITH 2 INCH/50MM-51MM BOTTOM BRACKET;
This is how the CDHPOWER Conversion Kit looks like after installed on the CDHPOWER BB ADAPTER;
G C
Reviewed in the United States on January 22, 2025
Very good item works well easy put together
Customer
Reviewed in the United States on October 23, 2023
The crank arms are good, but the axle isn't hardened steel, the bearings dig into the soft metal, and slowly destroys it. I have to re-tighten after every ride, because of all the slop created.
Jason E Reader
Reviewed in the United States on March 31, 2022
Useless without the item specific sprocket and I can’t find just the sprocket sold alone, I needed to buy another complete kit. Don’t buy this.
pete nugent
Reviewed in the United States on November 15, 2021
i bought this and the conversion adapter but the bearing cups dont fit the adapter bottom bracket i bought with it.
Franky Lynn
Reviewed in the United States on April 9, 2021
These are easy to install in place of regular bicycle pedal cranks, and give greater clearance for mounting engines.
Sandy conner
Reviewed in the United States on February 10, 2019
Didn't need it .I'm using bearings & caps, not the shaft also you'll need crank 2arm & spock's mounting piece.
Bradley
Reviewed in the United States on December 1, 2019
Nothing fancy but dependable quality except for the bearings there cheap. Would be nice if a little grease pack was included also so make sure you grease the bearings and dont over tighten the cups. Used on a cdh motorbike frame the pedals clear the motor an exhaust adds abouts 2.5" on each side. BEARINGS ARE CHEAP AND NOT GREASED YOU WILL NEED BEARING GREASE
URBAN COWBOY
Reviewed in the United States on May 10, 2018
This is one of the best cranks I have used for my 4-Stroke bike! It totally clears and transmission and pedals great. Thank you so much! I'm totally buying more.
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