Upgrade your 11 spped cassette to a great 11-42T range.
Compatible with most 11 speed medium/large cage rear derailler and 11 speed chain on the market.
Compatiable with Shimano 11 speed freehub.
Ideal for either 1x11 or 2x11 setup.
For the best worry free 1x11 setup, we recommend the use of our Thick thin Thick chainring.
