Rk transmission Series 140 links 420 Universal ChainRef : RK00353A / 12200412

RK — Standard Series Transmission Chain (ref. 420SB-140-CL)

Designed for Enduro and Cross practices, this RK Standard Series chain combines robustness and ease of maintenance. Made from medium carbon alloy steel, it is pre-tensioned and pre-stretched in the factory for even load distribution and quick setup without lengthy preparation. Ideal for small to medium displacements (e.g. 90–110 cc depending on application), it is suitable for off-road machines seeking a reliable and economical part.

• Number of links: 140 links
• Material: carbon alloy steel, heat treatment
• Finish: natural colour
• Construction: shot-peened and heat-treated components for better strength
• Assembly: two-point axle riveting, solid rollers
• Fastener included: clip-on quick attachment included

Designed to last on muddy trails and tracks, this RK chain offers a simple and robust solution to replace your original transmission when a chain without O-rings or reinforced is required. Follow the recommended tension and lubrication intervals to ensure even wear and optimal longevity.