The PG-1130 cassette is light, durable and equipped with SRAM’s super wide gear range that’s a perfect fit for any ride. Personalise your wide range gearing with one of eight available X-SYNC™ chainrings.   Specification: Heat-treated steel cogs with aluminium spider. Compatible with all SRAM 11-speed chains. PG-1130 11-42t cassette fits 10- and 11-speed driver bodies. (1.85mm spacer is required for 11-speed driver.). Weight: 538g (11-42). Super wide gear range - a perfect fit for any ride. Optimised gear steps across entire range. Compatible with non-XD™ driver body. Fully compatible with all SRAM 1x™ drivetrains. Speed (CS):  11s. Cog finish (Cassette):  Black. Cog sizes: 11,13,15,17,19,22,25,28,32,36,42.