AFAM offers this 520XRR3 chain kit in a 13-50 configuration for the BETA RR 350cc and BETA RR 400cc, designed to meet the demands of motocross and enduro riders seeking a robust and durable drivetrain. It includes a reinforced X-Ring chain, a steel sprocket, and a standard steel chainring, ensuring excellent resistance to heavy mechanical stress. The X-Ring seals ensure optimal retention of internal lubrication, reducing friction and extending the chain’s service life. The hardened steel sprocket prioritizes longevity and offers excellent resistance to impacts, abrasion, and the stresses of intensive use. Its 13-50 gear ratio promotes efficient power delivery and sharp acceleration, making it particularly well-suited for technical trails. This set is an ideal solution for riders seeking a reliable, high-performance drivetrain that will last through countless rides.

Fits:

2012 BETA RR 350 4T ENDURO

2011 BETA RR 350 4T ENDURO

2012 BETA RR 350 4T ENDURO RACING

2012 BETA RR 400 4T ENDURO

2012 BETA RR 400 4-Stroke Enduro Racing