June 11, 2021

The Profile C-4 drive side guard is unique: Here’s why.

Profile Rear C-4 Drive Side Guard 

-Guard is Injection molded out of plastic, insert/jam nut CNC machined here in our factory.

-The proprietary C-4, 14mm drive side Jam Nut replaces existing Profile Mini, Profile Elite, and Madera V-2 jam nut, and then drive side guard pops onto jam nut.

-Does not work with 3/8 rear hubs.

-Not recommended for extremely abrasive surfaces (rough cement).

-Drive Side Guard and Jam nut sold together or individually.

June 11, 2021


We are taking precautions to protect our employees and follow CDC and state guidelines. In the meantime, our machine shop is still running, we're here to assist you and we'll be shipping product to help support bike shops during this difficult time.