Without extra weight of spider and chainring bolt, Aerozine make these Single rings update into a new class of performance-enhancing.

Designed for Sram BB30/PF30 Crankset, reliable, lighter , stiff, clean looking on your bike.

Perfect 50mm chainline brings a quieter drive train, improves its performance.

Alternating fat and skinning teeth eliminates drop with fitting more closely into the narrow wild plate spacing of normal chain. They are strong enough to the abuse of downhill trail, light enough for the cross country ride. Tested aluminum 7050-T6 are made for this stiffness. We offer 28T,30T,32T and 34T for option, allow you to have smaller chainrings for all mountain trail.