Shimano XT CS-M8100 12 Speed Cassette - Shimano Micro Spline - 10-45T - 12 Speed eBay so you can "upgrade" your

so you can "upgrade" your SLX or XT 11 speed derailleur by adding Premium Grade XTR wheels if you like

Bladder included

Increase the capacity of your SRAM or Shimano 11 speed derailleur up to 50T with these precision machined derailleur cages from Garbaruk

if not 3 chains before you need to replace the cassette

Shimano XT CS-M8100 12 Speed Cassette - Shimano Micro Spline - 10-45T - 12 Speed eBay so you can "upgrade" yourThe XT CS M8100 12 Speed Cassette offers the excellent shifting performance that we have come to love from Shimano in both Wide Range and Rhythm step options. Both cassettes feature Beam Spider technology for increased weight savings, rigidity and durability. They also feature the Hyperglide+ technology found in XTR, offering Shimano's smoothest ever shifts in a lightweight package. The 10 51T Wide Range cassette is perfect for riders after a huge