Universal DISC Sprocket Adapter 44mm for Bicycle Hub Motorized Bike 1/4 Thick

Can be used to attach various sprockets or brake rotors to Bicycle DISC Hubs.

Thickness: .25"inch, 6.38mm

Inner Bore Diameter: 35.8mm

Outer Diameter: 108mm, 4.25"inches

DISC Brake Bolt Circle: Standard 44mm

3 point sprocket adapter bolt circle

Material: Aluminum

Can easily be drilled for your application.

Made in USA