Sitta Ergal Ultra Light 520 Sprocket Kit 41T for Yamaha YZF R1 / R1M (2015-24)

If you are looking for the absolute finest in race sprockets for your BMW S1000RR, look no further than Sitta.  Masterfully crafted in Modena, Italy since 1993, they bring forth over three decades of pure GP and SBK competition experience and put it in everyday rider's hands.

This 520 sprocket conversion kit saves huge weight vs. the OEM sprocket, especially when considering the rotational mass.  Some notable benefits include faster acceleration as well as better braking due to the reduced inertia of the lighter aluminum sprocket.  Please note that you will need a 520 pitch chain, as the OEM chain pitch in the S1000RR is 525.  You can get an awesome D.I.D. chain here

Specs:

• Chain Pitch: 520
• Tooth Count: 45
• Weight: 561g (OEM sprocket weight: 1394g) 
• Weight Savings: 1.84lbs

Fitment:

• Yamaha R1 (2015-24)
• Yamaha R1M (2015-24)