Neptune Sand Dollar BMX Power Disc - Purple - USA Made Reflective Stripe center blocks for tremendous grip

center blocks for tremendous grip and changes up to the block cut edge lug for fantastic cornering traction

Alienation's new G69 material is super light with superior strength

allows a smooth propulsion and perfect gear changes in all driving situations

Rear Hub: Sealed Alloy Disc

Neptune Sand Dollar BMX Power Disc - Purple - USA Made Reflective Stripe center blocks for tremendous gripThe Neptune Sand Dollar BMX Power Disc spider is made from lightweight, thick and strong 6061 aluminum alloy. It has a 110 BCD and 130 BCD 5 bolt pattern and 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 Power Disc can only be used with chainrings that are 39T or larger. This sprocket has an anodized finish and laser etched logos. Neptune sprockets are made in the USA!