The pg 1130 cassette is light durable and equipped with srams super wide 11 42 gear range thats a perfect fit for any ride personalize your wide range gearing with one of eight available x sync chainrings super wide gear rangea perfect fit for any ride optimized gear steps across entire range compatible with non xd driver body fully compatible with all sram 1x drivetrains specifications for pg 1130 cassette weight538g gear ratios11 42t speeds11 coloursblack cogs11 13 15 17 19