Neptune Helm 25t Bolt Drive BMX Aluminum Sprocket / Chainwheel - Blue - USA Made 28.6mm (1-1/8") Featuring K-Shield protection for puncture

Featuring K-Shield protection for puncture resistance and a reflective sidewall for better urban visibility

This top load stem is designed like the Suntour style with chrome bolts

Axle: 3/8"

Just unthread your mounting posts

but if you like to jump down 8 sets and off of rooftops

Neptune Helm 25t Bolt Drive BMX Aluminum Sprocket / Chainwheel - Blue - USA Made 28.6mm (1-1/8") Featuring K-Shield protection for punctureThe 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: 25tColor: Blue For 19mm adapter click HERE!