SHIMANO Ultegra R8101 Cassette - 12-Speed - 11-34t can be discounted Elastic waist for fit and

Elastic waist for fit and comfort

A high performing mountain bike pack that carries just enough gear

Ergo hand-fit design features thicker rubber compound in the palm and webbed design for comfort and enhanced damping

and our Adaptive 3D-printed padding to provide comfort in every riding position

SHIMANO Ultegra R8101 Cassette - 12-Speed - 11-34t can be discounted Elastic waist for fit andThe uninterrupted shifting experience of the Shimano Ultegra CS R8100 12 speed cassette range lets you climb, sprint, or cruise without stopping to think about your next gear change. Larger driving cogs maximize drivetrain efficiency and create compatibility with both Shimano 11 and 12 speed freehub bodies. Shimano HYPERGLIDE+ technology is integrated to provide seamless shifts both up and down the gear range. Refined 12 step gear combination provides