The DRS Chain Retention System has been the leading dual ring compatible system since its introduction in 2001. Its simple to adjust and maintain flip-flop roller design gives unparalleled performance and reliability on the trail. This system is perfectly matched with the new breed of long travel trail and bike park complete bikes.
Primary Use: Dual ring long travel trail bikes, bike park & freeride
Primary Frame Use: Hardtail, AM full suspension, long travel freeride