Sram XX1 Eagle Chain 12sp Gold Ryder protects from the elements and

protects from the elements and enhances vision with Prizm™ lens technology

trueness of the races and micro surface finishes of balls and races

Dual density with ergonomic grip pattern

Assioma cycling power meter with power sensor on the left pedal

Sram XX1 Eagle Chain 12sp Gold Ryder protects from the elements andIt might look normal from the outside, but the engineering inside this incredible chain design that 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