Motorized Bicycle Sprocket 28 Tooth fits Disc Brake Hub part #20094


Made in U.S.A.
From milled in USA 7075 Areo Aluminum
Total Thickness of Part: 9/16ths of an Inch, 14.6mm
Thickness of Disc Hub Mating Surface: 3/32 if an inch, 2.7mm
Depth of Cup Inset: .47 of an inch 12.1mm
Outer Diameter: 4 3/4 inches or 123mm
Center Hole Diameter Bore: 1.357inch, 1 3/8ths inch or 34.49mm
Inner Step Diameter (rotor hub flange diameter) 2.14inches or 2 5/32 or 54.4mm
Thickness At Teeth: .14in or 3.7mm
Weight of 28 Tooth Sprocket: 4oz
Acceptable Chains: Kit 415 chain, KMC Industrial 415 Speed Chain, 415 chain

Please view the video

Motorized Bicycle Sprocket 28T fits Disc Brake Hub part #20094
6 5mm X 16mm long Bolts for mounting adapter

Important instructions (warning):

Be sure to use Loctite Threadlocker Red 271 High Strength, or equivalent glue.
Use your existing ISO standard disc brake hub to attach a motorized sprocket!
This part can be used to place the sprocket inboard of the hub rotor face.

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