alpha Racing Front Sprocket T17 520 BMW S1000RR/HP4 (2010-, 2015-) manufactured from enhanced case-hardened, core-refined nickel-chrome-molybdenum alloy steel for the ultimate combination of strength and hardness, T17, pitch 520, for BMW S1000RR and BMW HP4. These sprockets are CNC-machined (not stamped) and feature a computer-aided “Ultra light” design to reduce unsprung weight and increase power transfer. These front sprockets also feature a specially CAD designed tooth profile that allows the 520 chain to roll easily on and off the sprocket for longer wear, less noise and more power. Weight: 0.14 kg. Note: BMW S1000RR Stock Gearing: 17-45.
Benefit from the unrivaled racing knowledge of alpha Racing in Germany and their professional experience in World Superbike, World Superstock, German IDM Superbike Championship, FIM Superstock Cup 1000, and 24 Hour Endurance Racing by using genuine alpha Racing Performance Parts, Electronics, and ECU Flash Tuning.