Cross Chainring sl Up to 50% more clamping

Up to 50% more clamping force than standard quick releases

Unique right- and left-sided design delivers optimal aerodynamics for increased efficiency

Promax Direct Mount chainrings are made to be lightweight yet extremely durable to handle the torque and stress of modern BMX racing and other single ring applications

reliable power measurement is practically a requirement these days

SteadyPulse mode emits attention grabbing pulses while its overlapping steady beam constantly lights the way

Cross Chainring sl Up to 50% more clampingAll City Cross Chainrings. The perfect compliment to your All City cross bike. Compatible with 8, 9 and 10 speed chains No ramps or pins; perfect for single ring use Excellent replacements for older rings