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Rotor and Sprocket Adapter

Motorized Bike Parts

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Rotor and Sprocket Adapter

Rotor and Sprocket AdapterRotor and Sprocket Adapter


Harmony Adapter, CNC polished (547002)
6 rotor mount screws
6 screws to mount our motorized sprockets

CNC motorized sprocket for 415 chain, select below

Important instructions (warning): 
Use thread locking glue on all screws including the 6 holding a rotor, and the 6 holding the motorized sprocket.  Be sure to use Loctite Threadlocker Red 271 High Strength, or equivalent glue.


Use your existing disc brake hub and rotor to attach a motorized sprocket
Example of a standard 6-bolt disc brake hub (example)

cnc sprocket:

Part #: 840552

Price: $59.00

Product Reviews - 5/5 from 2 reviews Write A Review

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1 5 out of 5 stars by on June 25th 2015

Rotor and Sprocket Adapter

Length of ownership: 1 month-1 year

Pros: Great product. Best design for motorized bikes. Better than MANIC MECHANIC.

Cons: Cost more. but WORTH EVERY dollar.

2 5 out of 5 stars by on March 18th 2015

Rotor and Sprocket Adapter

Length of ownership: 1 month-1 year

Pros: This is a great product, mounts right up and gets the job done perfectly. I will be buying more of these in the future.

Cons: Doesn't work with kit sprocket unless modified, I bought one of theirs. Not a big deal.

Money Orders:, Inc. P.O. Box 991408, Redding, CA 96099

Supplying customers with the finest quality bike parts in our niche market. Focusing on bicycle parts for lowrider bicycles, cruiser bicycles, chopper bicycles, motorized bicycles, and custom bicycles. Order by adding an item to the cart, then enter your zip code or check the country box and select your country to get a shipping quote and a total, then check out.

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