E*Thirteen Mountain Cogs

the shifting performance of your bicycles existing drivetrain, especially when it is paired with a matching KMC chain. Starting with a specially coated high strength steel construction for a stiff and strong ...

cogs with a CNC machined aluminum spider to deliver rapid, precise shifting at a lower weight.

the rigors and torque of E-bikes. Utilizing a harder material on the small cogs to reduce wear and extend the life of the cassette and chain.

Cassette is built for shifting precision in any riding condition under any amount of load, no matter how hard you pedal. The massive 520% gear range steps down with progressive cogs on ...

group is now upon us, and the CS-HG800 11-speed cassette is the one option that's a real game changer for mixed terrain riders with its 11-34T range. Not only do you have ...