The New 10-52t, Xg-1295 Cassette Gives Riders More Than Ever Before, With An Unprecedented 520-Percent Range. For A Little Extra To Avoid The Hike-A-Bike, A Little More In The Spin To Win Game, The Xg-1295 Cassette Also Allows Stronger Riders To Increase Their Chainring Size If They Want. Features:- Provides A Massive 520-Percent Gear Range For Brutal Steeps And Avoiding Hike-A-Bikes.- Stronger Riders Can Increase Chainring Size For Speed, Without Sacrificing Climbing.- Avalable In Black, The Eagle™ Colorsystem Lets The Cassette And Chain Express The Look Of The BikeSpecifications:- Speed (Cs): 12- Gearing: 10-52 T- Cog Finish (Cassette): Black- Technology (Cassette): Xg- Cog Sizes: 10-52 Teeth: 10, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 52- Driver Body Interface: Xd- Weight: +- 375 G