CHAIN ​​/ CHAIN
RK is a leading manufacturer of motorcycle drive chains in Japan. For more than 40 years RK supplies all major Japanese motorcycle manufacturers as original equipment. In RC racing it is the first choice of many teams in MotoGP, motocross or even in the Paris-Dakar Rally. RK XSO: This is an improved form of O-ring chains. The special shape of the X-ring chain is sealed at four sealing points, the lubricant cannot escape. Also, X-ring is used as an additional lubricant reservoir. The life of the chain is extended by approximately 30%. This technique has been further developed at the RK XW-Ring chain. - X-ring chain - four sealing points - lubricant cannot escape - life is extended compared to O-ring chain by 30% - further development of the X-rings are the XW-rings

CROWN / REAR SPROCKET
CROWN 39 TEETH PITCH 525 SILVER INT. DIAM. 055 - CIRCLE HOLES 085

PINION / FRONT SPROCKET
RUBBER COATED SILENCED SPROCKET 15 TEETH PITCH 525 - INT. DIAM. 22/25