Economical replacement twist shifters from SRAM, for use with Shimano derailleurs. Inner wire included, housing sold seperately Designed for use with Shimano rear derailleurs, or SRAM Shimano-compatible rear derailleurs, such as the Di RT or MRX model Works with all front derailleurs Does not work with SRAM ESP 1:1 rear derailleurs 240g / pair | Sram | Mrx Comp Shifter Set 8Spd Rear, Shimano-Compatible, Pair