With 53 teeth.

With a boltcircle diameter (fixed dimensions on 110mm)

Optimized for trial and triathlon, as it is more earodynamic than a regular chainring.

Made from 7075-T6 aluminium with Stronglights CT2 Zicral reinforcement and teflon for smaller friction.

Can be used for 10 and 11 speed SRAM and Shimano Systems.