Shimano Eyewear Nosepad X-Large Black S71R / S61R / SPRK1 / ARLT1 / ARLS gsda SRAM’s cassette manufacturing technology provides

SRAM’s cassette manufacturing technology provides the greatest durability and lightest weight

Special machined teeth help both up/down chain shifting

The steel chain – like the housing and structural parts of the locking mechanism – is manufactured from specially hardened steel

Everybody who works on bikes knows how much you need allen keys

the chain plays a critical fundamental role for cyclists’ safety and for optimizing the entire transmission mechanism

Shimano Eyewear Nosepad X-Large Black S71R / S61R / SPRK1 / ARLT1 / ARLS gsda SRAM’s cassette manufacturing technology providesShimano Eyewear Nosepad Xlarge Black S71R S61R Sprk1 Arlt1 Arls Mfr Claimed Weight TBC