Onyx 15mm Complete Conversion Axle for Ultra Rear Hub foldable tires reliable stopping power with excellent

reliable stopping power with excellent modulation in varied conditions

Our 3-way wrenches fit perfectly in the palm of the hand and provide excellent leverage

Power zone wire guide with front strap for a secure hold

and SINZ saddles

olive/barb

Onyx 15mm Complete Conversion Axle for Ultra Rear Hub foldable tires reliable stopping power with excellentThis conversion comes complete with all needed to change your Rear Ultra hub from a 10mm or 12mm to a 15mm only with black collars and widgets. comes with the following: 15mm Axle, Driver Bearing, drive side widget, non drive side adjustable collar, and non drive side widget. DOES NOT include 15mm through bolt.