The sram pg1070 10 speed cassette all sram components share the same mission statement to bring precision durability and easy actuation all in a light ergonomic and aerodynamic package that has no match the sram pg 1070 cassette offers an innovative approach to 10 speed cassette design the semi spidered layout delivers a high level of shifting performance with a matched cassettechain combo that will run near silent sram have minimised the weight of this road bike cassette and created a