Radio Destro Light CranksRadio's Destro Light Cranks are designed around a special welding system and invest casting design which allows them to shave off over 200g from the whole crank without affecting their strength. The arms are built from seamless 4130 CrMo tubing, liquid post heat treated and double welded with a 22mm 4130 butted ultra hollow CrMo sindle ensuring the whole set is incredibly strong and lightweight. The Radio Destro Light Cranks are both LHD and RHD