SRAM PG-970 12-23 9 Speed Cassette Size:12-23 The fit system is made

The fit system is made of a durable flexible material for long term performance and daily lockability

FeaturesLightweight

Contains Boron Nitride compounds

sort out minor mechanicals

2 3/8" drive bits and sockets are made from tough

SRAM PG-970 12-23 9 Speed Cassette Size:12-23 The fit system is madeAbout 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