The sram x5 3 speed trigger shifter is light and durable which is ideal for mountain bike riding with loads of features and technologies to ensure you get the smoothest gear shifting available aon the market this sram gear shifter is designed for 3x10 speed bikes that want components that are strong and lightweight to meet the demands of off road cycling and the x5 certainly delivers weighing in at only 250 grams for the pair thanks to the aluminium composite material used the x5 3 speed