Neptune Helm 25t Bolt Drive BMX Aluminum Sprocket / Chainwheel - Silver - USA Made Gumwall ERD: 606mm

ERD: 606mm

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The Tioga Power Block tire is a BMX tire with low rolling resistance and durable long lasting compound that efficiently transfers pedal power and other rider inputs into lateral motion

Size: 20 x 1

Neptune Helm 25t Bolt Drive BMX Aluminum Sprocket / Chainwheel - Silver - USA Made Gumwall ERD: 606mmThe 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: Silver For 19mm adapter click HERE!