Neptune Sand Dollar BMX Power Disc - Purple - USA Made Reflective Stripe Rear Hub: Sealed Alloy Disc

Rear Hub: Sealed Alloy Disc

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

Spoke holes re-enforced with patented ribs to prevent pull through

21 steps / 17º engagement

It replaces the cone spacer

Neptune Sand Dollar BMX Power Disc - Purple - USA Made Reflective Stripe Rear Hub: Sealed Alloy DiscThe 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!