alpha Racing Front Sprocket T17 520 BMW S1000RR (2010-, 2015-)
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.
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