The MRP 1x Upper Chain Device V3 is crafted from stiff, strong and lightweight alloy, known for its durability and weather-resistance. This MRP chain device features a new Co-mould rubber upper for silent running and is ideal for riders who like to go hard and fast. MRP 1x Upper Chain Device V3 Features Alloy ISCG 05 New Co-mould rubber upper 26-38T Compatibility Black
