Accurate shifting, excellent wear resistance, and superior durability with 9-spd compatabilty. Sram PwerChain II will help drive you every inch of every ride, with confidence and unmatched reliabilty.
PC951
Technolgy: Step/ Powerlink
Speed: 9
Material/Finish: Grey inner and outer plates
Compatibility: 9 speed industry standard.
PC971
Technolgy: Step/ Powerlink
Speed: 9
Material/Finish: Nickel inner and Grey outer plates
Compatibility: 9 speed industry standard.
PC991 CS
Technolgy: Cross Step/ Powerlink
Speed: 9
Material/Finish: Nickel inner and outer plates
Compatibility: 9 speed industry standard.
PC991 HP
Technolgy: Hollow Pin/ Powerlink
Speed: 9
Material/Finish: Nickel inner and outer plates
Compatibility: 9 speed industry standard.
