Neptune Helm 25t Bolt Drive BMX Aluminum Sprocket / Chainwheel - Blue - USA Made 28.6mm (1-1/8") Posted Weight: 300g pair

Posted Weight: 300g pair

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

4-bolt pattern and fits 3/32" chains

40 tires (507mm)

This set of TNT BMX Derringer Hubs is 28-hole small flange

Neptune Helm 25t Bolt Drive BMX Aluminum Sprocket / Chainwheel - Blue - USA Made 28.6mm (1-1/8") Posted Weight: 300g pairThe 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!