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Your cart is empty. 104BCD 36T Mid Drive Chainring,Chain Ring Spider Adaptor for Electric Bike
1. Scope of Applications: 104BCD chainring adapter set is perfectly compatible for electric bike mid drive motor, better upgrade your equipment.
2. Aluminum Alloy: The 104BCD chainring conversion set is made of aluminum alloy, the hardness is much higher than that of the original steel chain wheel, and it is sturdy and durable.
3. High Accuracy: CNC cutting of aluminum alloy is adopted to ensure the accuracy of product use. Better improve the performance of bike or mid drive motor.
4. Practical Accessories: It is a very practical electric bike repair and replacement accessory. Great for outdoor cycling enthusiasts, you can do it yourself.
5. Lightweight: Aluminum alloy 104BCD chainring conversion kit is ver light in weight so that it is portable and easy to carry while riding out. And the damaged original parts can be replaced in time.
Specification:
Item Type: 104BCD Chainring Conversion Kit
Material: Aluminum alloy
Gross Weight: 200g / 7.1oz
BCD: 104MM / 4.1in
Applicable: Perfectly compatible for electric bike mid drive motor.
Package List:
1 x 104BCD Chainring Conversion Kit
Doug D
Reviewed in the United States on March 14, 2025
Like charlie said in his review this will not fit a Tongsheng TSDZ. Maybe it’s actually made for a Bafang, I don’t know but don’t bother if you own a Tongsheng.You can see the holes don’t line up with the original in my photo.
charlie
Reviewed in the United States on December 19, 2023
doesnt fit.. 5 holes are not aligned. Looks like the machinist made a wrong calculation lol.. everything was made a little big including the center hole for the axle . Buyers beware
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