High Performance 10-Speed 105 Road CassetteHyperglide Sprockets Have A Computer Designed Tooth Configuration With Contoured Shift Gates, Resulting In A Crisp Smooth Shift Even Under LoadClose Ratio Gearing Allows A More Efficient Use Of Energy Through Finer Cadence ControlLargest Sprockets Are Mounted On A Lightweight Alloy Carrier To Reduce Weight And Increase RigiditySprockets Are Cut Away And Drilled To Further Reduce Weight Without Reducing RigidityNickel-Plated Finish Offers Hard Wearing Resistance To CorrosionPearl-Bright Steel Cassette LockringFor Super Narrow 10-Speed Hg Chains

High Performance 10-Speed 105 Road CassetteHyperglide Sprockets Have A Computer Designed Tooth Configuration With Contoured Shift Gates, Resulting In A Crisp Smooth Shift Even Under LoadClose Ratio Gearing Allows A More Efficient Use Of Energy Through Finer Cadence ControlLargest Sprockets Are Mounted On A Lightweight Alloy Carrier To Reduce Weight And Increase RigiditySprockets Are Cut Away And Drilled To Further Reduce Weight Without Reducing RigidityNickel-Plated Finish Offers Hard Wearing Resistance To CorrosionPearl-Bright Steel Cassette LockringFor Super Narrow 10-Speed Hg Chains

High Performance 10-Speed 105 Road CassetteHyperglide Sprockets Have A Computer Designed Tooth Configuration With Contoured Shift Gates, Resulting In A Crisp Smooth Shift Even Under LoadClose Ratio Gearing Allows A More Efficient Use Of Energy Through Finer Cadence ControlLargest Sprockets Are Mounted On A Lightweight Alloy Carrier To Reduce Weight And Increase RigiditySprockets Are Cut Away And Drilled To Further Reduce Weight Without Reducing RigidityNickel-Plated Finish Offers Hard Wearing Resistance To CorrosionPearl-Bright Steel Cassette LockringFor Super Narrow 10-Speed Hg Chains

High Performance 10-Speed 105 Road CassetteHyperglide Sprockets Have A Computer Designed Tooth Configuration With Contoured Shift Gates, Resulting In A Crisp Smooth Shift Even Under LoadClose Ratio Gearing Allows A More Efficient Use Of Energy Through Finer Cadence ControlLargest Sprockets Are Mounted On A Lightweight Alloy Carrier To Reduce Weight And Increase RigiditySprockets Are Cut Away And Drilled To Further Reduce Weight Without Reducing RigidityNickel-Plated Finish Offers Hard Wearing Resistance To CorrosionPearl-Bright Steel Cassette LockringFor Super Narrow 10-Speed Hg Chains