SRAM Centera left only twist shifter MFPN=11.7018.037.001 The tread pattern features a

The tread pattern features a directional tight-knit center tread that sheds dirt and debris to decrease rolling resistance and side knobs for effective cornering traction

S Lower IS42

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SRAM Centera left only twist shifter MFPN=11.7018.037.001 The tread pattern features aSRAM Centera left only twist shifter. Whether your ride of choice includes gently rolling terrain or fast down hill descents the Centera will follow you there with crisp positive response on your shifts. TECH SPECS Shifter Style Twist Front Der Shifter Compatibility SRAM Mountain Double or Triple Triple