Neptune Helm 25t Bolt Drive BMX Aluminum Sprocket / Chainwheel - Black - USA Made 1.50 works with Schrader valve tubes

works with Schrader valve tubes and 29x1

Dia-Compe Cable Guides -- This is a set of 3 cable guides/clamps

threaded steel post

or if you come down on the seat hard

This set consists of one right and one left crank arm only

Neptune Helm 25t Bolt Drive BMX Aluminum Sprocket / Chainwheel - Black - USA Made 1.50 works with Schrader valve tubesThe Neptune Helm sprocket is USA made from 6061 aluminum. It has a 15 16'' 23. 8mm (24mm) bore, which can be used with most cranks with the use of the proper sprocket adapter (not included). This item has an anodized finish and laser etched logos. Size: 25t Color: Black For 19mm adapter click HERE!