Sram gx 1x11 speed rear derailleur
The sram gx 1x11 speed rear derailleur features a whole host of expertly developed technologies high quality materials and precision engineering to deliver smooth and swift shifting this sram rear derailleur is crafted from lightweight stiff and durable aluminium resulting in a feather light weight with bombproof durability kitted out with x horizon and roller bearing clutch technology this derailleur produces super fast exact shifting as the large upper pulley offset d