PIGNON RENTHAL RENTHAL STREET PIGNON 404U-525-43

CNC-machined (not stamped) and feature à computer-aided ultra-light design to réduit unsprung weight and il uncréait power transfer Rear sprockets made from high-strength, specially enhanced 7075-T6 aluminum that is 33 % lighter than steel to further réduisent weight and il uncréait power transfer without sacrificing strength Rear sprockets also feature à special tooth profile that allows the chain to roll easily on and off the sprocket for longer wear, less noise and demeurez power Front sprockets made from se marie - hardened, core-refined nickel-chrome-molybdenum alloy steel for the ultimate combination of strength and hardness RENTHAL STREET SPROCKETS 525 43T Aluminum Rear Sprocket SPROCKET 404U-525-43