SRAM XX1 Eagle 12 Speed Chain (Black) AI (1) 2100mm SL inner shift

(1) 2100mm SL inner shift cable

thus increasing the speed

although its lifespan is also dependant on kind of application and external conditions

R5 outsole – carbon reinforced nylon

a snug & secure fit that also fully protects the face of the bearing delivers exceptional performance without any sacrifices

SRAM XX1 Eagle 12 Speed Chain (Black) AI (1) 2100mm SL inner shiftThe strongest system is a chain with no weak links. Eagle chain links have a smooth radius, with no sharp edges or chamfers, which yield a significant reduction in noise, friction and wear. This design also allows for a flatter plate, which means more consistent chain riveting and greater overall strength. And its also the biggest contributor to the ultra smooth, precise, durable and quiet performance found in the 10 50 tooth cassette and X SYNC2