Neptune Helm 42t Bolt Drive BMX Aluminum Sprocket / Chainwheel - Gold - USA Made Heavy Duty / Thorn Resistant The Black-Ops Micro Drive II

The Black-Ops Micro Drive II Sprocket are CNC machined from 6061 T6 aluminum

10 (ISO 559mm)

Valve: TCS & SV

An adapter to fit 19mm spindles is included

Color: Black & White w/ Clear Lens

Neptune Helm 42t Bolt Drive BMX Aluminum Sprocket / Chainwheel - Gold - USA Made Heavy Duty / Thorn Resistant The Black-Ops Micro Drive IIThe Neptune Helm sprocket is USA made from lightweight, thick, and strong 6061 aluminum alloy. It has 3 32" teeth and a 19mm bore; it will only fit cranks with a 19mm spindle. This sprocket has an anodized finish and laser etched logos. Neptune sprockets are made in the USA! Size: 42t Color: Gold This item shows a stock photo. You WILL receive the color and size described above.