Part Number: 2771HP4B46-01
alpha Racing high performance rear sprocket manufactured from enhanced 7075 T-6 aluminum that is 35% lighter than steel to further reduce weight and increase power transfer without sacrificing strength, hard anodized in silver color, T46, pitch 525, for BMW HP4 racing wheel. These sprockets are CNC-machined (not stamped) and feature a computer-aided “Ultra light” design to reduce unsprung weight and increase power transfer. These rear sprockets also feature a specially CAD designed tooth profile that allows the 525 chain to roll easily on and off the sprocket for longer wear, less noise and more power Weight: 0.28 kg. Note: BMW S1000RR Stock Gearing: 17-45.