Description
LIFETIME Limited WARRANTY - Unique Sharktooth tooth profile for excellent chain retention - 22T.Fully CNC machined with aircraft aluminum alloy for optimal lightweight strength.Alternating "Thick-Thin" tooth profile for chain retention- the latest technology.High performance Teflon surface treatment for quiet and friction free service.Compatible with 8, 9, 10 and 11 speed or single-speed drivetrains / Weight 16g