25 B 13 Tooth SPROCKET with 8mm x 1.25 threads

Info ONLY and how they can be used:

These can be used with the 3.11 to 1 ratio gearbox that would drive off of the LEFT side of the bike wheel.

Our Staton Custom hubs that have 1.375 x 24 Left hand threads on the Left side and 1.375 x 24 right hand threads on the right side of the hub so you can pedal the bike or trike.

We also sell the 3.11 to 1 gearbox, CNC machined Alum adaptor and 1/8" x 5" wide x 6" or 6.5" long mounting plate.