520 front sprocket / pinion BMW S 1000 RR 2019- (please select number of teeth)
for 520 racing chain conversion
Fits for:
- BMW M 1000 RR 2021- ongoing
- BMW S 1000 RR 2019- ongoing
(520 racing chain conversion)
Measures:
inner diameter: 26 / 30 mm
thickness at shaft: 15 mm
number of inner teeth: 13
number of chain teeth: 14/15/16/17 (please select)
chain: 520
Serial bikes are often equiped with a very long gear transmission due to noise or exhaust regulations. In most cases these transmissions don´t fit best for racetracks. Often pinions with 1-2 teeth less and / or rear sprockets with 1-3 teeth more are used. In some cases a longer chain is needed. Only on racetracks with very high speed (e.g. Isle of Man, Hockenheim GP) and very narrow tracks (e.g. Fischereihafen in Bremerhaven) such an conversion will not fit best.