Perfect Teeth This chainring uses the trusted RF alternating narrow-wide tooth configuration for a more secure chain hold and unbeatable chain retention. Don\'t Bend Don\'t Break Burly 4mm thick 7075-T6 alloy plate makes this chain ring super stiff and strong as an ox. This ring wants you to always put your best foot forward. Rad Rings Bolt on this do-it-all chainring with reversible laser etched graphics and you\'re ready to rip. Built strong with aerospace grade aluminum and built right, this ring can hang with you for CX and gravel adventurers.