RK EXTREME UPGRADE BMW S1000RR
RK chains Xtreme OE upgrade chain and sprocket kit | Sprocket Rear RK-B5643-45 JTR7 Afam 164800 (Low Stock) | Sprocket Front RK-C5376-17-2Q JTF404 Afam 166800 (Low Stock) | CHAIN RK GB525ZXW-118 GOLD - PREMIUM X-RING (Out Of Stock) (Stock On Order/Arriving Soon)