and phenomenal breathability

1mm puncture protection strip under the tread helps prevent punctures

Fit Shimano freehub splines

55") ultra-hardened steel shackle provides maximum cut-resistance

Tackiest/Best Hand Feel

Sram X01-EAGLE 12-Speed Chain Silver 126 link Orange Seal and phenomenal breathabilityIt might look normal from the outside, but the engineering inside this incredible chain design makes possible a gear range previously found only in 2 chainring drivetrains. And it's also the biggest contributor to the Eagle drivetrain's ultra smooth, precise, durable and quiet performance. The Eagle chain's links have a smooth radius, with no sharp edges or chamfers, which yield a significant reduction in noise, friction and wear on chainrings and