Chain & sprocket kit Honda CRF 250 R 2011 to 2017

Chain IRIS RX Racing :

Super reinforced chain, IRIS brand, without O-rings, perfectly suited for off-road or on-road use.

The chain is nickel colored and comes with a quick release.

Chain RK EXW :

Highly reinforced chain from the RK brand, equipped with XW'Ring O-ring seals, providing a triple barrier for optimal lubrication of inner components and preventing debris from entering the chain. Specifically designed to meet the extreme demands of rally races such as the Dakar, and also suitable for quad professionals

The EXW chain ensures exceptional durability thanks to its special heat treatment, offering greater resistance to overheating, weather conditions, and harsh off-road environments.

The chain is steel-colored and comes with a quick link or a crimp link (the crimp link has hollow axle ends).

Chain RK KXZ :

With the RK KXZ chain, RK offers a reinforced chain without O-ring seals designed for motocross riders. The RK KXZ series is tailored for motocross riders, being lighter yet more robust than other reinforced chains on the market. Within the RK lineup, the KXZ chain falls just below the MXZ chain, with the MXZ model designed for high-level competition.

The RK 520KXZ chain features special alloy pins with the RK HCR (High Tech Chromium Carbide Layered Pins) treatment for enhanced wear resistance. Tested and developed in collaboration with top MXGP and MX teams, the RK KXZ chain represents the best value for motocross enthusiasts.

The RK KXZ chain is available in both standard steel color and a gold color option.

Chain RK MXUGB :

Highly reinforced RK chain, featuring ultra-thin U'Ring O-rings. Regarded as the lightest on the market with a weight of 13.8g/link (only 0.1g heavier than the MXZ series), the MXU series provides all the advantages of an O-ring chain (preventing debris from entering the chain's internal components) while maintaining the benefits of a non-O-ring chain (lightweight yet ensuring strength).

Specially designed for off-road enduro and motocross.

The chain is gold-colored and comes with a quick link.

Chain MZXGB :

Highly reinforced RK chain, featuring ultra-thin U'Ring O-rings. Regarded as the lightest on the market with a weight of 13.8g/link (only 0.1g heavier than the MXZ series), the MXU series provides all the advantages of an O-ring chain (preventing debris from entering the chain's internal components) while maintaining the benefits of a non-O-ring chain (lightweight yet ensuring strength).

Specially designed for off-road enduro and motocross.

The chain is gold-colored and comes with a quick link

Chain RK XSO :  

RK is the world leader in motorcycle chains.This hyper-reinforced chain from RK has RX'Ring O-rings for better lubrication and a lifespan 2 times longer than standard O-ring chains. Its specific treatment reduces the weight of the chain while guaranteeing its strength.Ideal for road use or sports use.