SRAM PG-970 12-23 9 Speed Cassette BSS-002901 About Zefal Crank ArmourMinimalist and

About Zefal Crank ArmourMinimalist and effective end-piece protection

Membrane - 100% PU

Wide range and close step 12-speed drivetrain

Combination Name (Group Name): 11-32T

From cleaner to brushes

SRAM PG-970 12-23 9 Speed Cassette BSS-002901 About Zefal Crank ArmourMinimalist andAbout SRAM PG 970 12 23 9 Speed Cassette Cassette technology optimized for MTB. More reliable. More durable. Better performing, thanks to an optimal tooth profile and shift ramp design for quick and positive index shifting. Go climb a mountain. Features SRAM's cassette performance is optimized by material choice, tooth profile and shift ramp design for quick and positive index shifting Narrow ratio cassette for the downhill fanatics in the crowd Steel