Brand-X 11 Speed MTB CassetteBenefitting from high tensile steel cogs on a 7075 alloy spider, this versatile cassette offers an excellent balance of stiffness and reliability without adding any excess grams to your mountain bike (MTB) or touring bike. Brand-X has also kitted out this model with a standard Shimano HG spline and a tooth profile that's optimised to aid gear changes and reduce noise. As a result, it's a great choice of upgrade for replacing your old 11 speed cassette and enjoying smooth performance wherever your ride takes you.Features: Material: High Tensile Steel cogs on a 7075 Alloy Spider Use: Mountain bike (MTB), Touring bike Ratio: 42T Option: 11-13-15-17-19-21-24-28-32-36-42; 46T Option: 11-13-15-18-21-24-28-32-36-40-46 Freehub Compatibility: Shimano type 9-11 speed freehubs Chain Compatibility: All 10 speed chains Weight: 42T Option: 453g; 46 Option: 329gBuy Brand-X Components from Chain Reaction Cycles, the World's Largest Online Bike Store.