EK CHAIN 520SROZ2 O - Ring 520 ChainRef : EKC04849A / 1149166002

The EK 520SROZ2 O-Ring 520 transmission chain is designed for riders seeking a robust and versatile component for both road and off-road use. Featuring O-rings, it retains lubricant between the links to minimise internal wear. Its design includes perforations aimed at reducing weight without compromising strength, while thermally treated steel alloys ensure mechanical durability suited to transmission demands.

• Pitch: 520
• Number of links: 112
• Weight: 1.76 kg / 100 links
• Colour: Steel / Steel
• Relative lifespan: 2400 (for 100 links)
• Quick link not included

Ideal for a wide range of motorcycles — from trail to sport, including enduro, supermoto, roadster, and vintage — this chain can handle the high torque demands of the engine and offers standard installation on compatible 520 sprockets and crowns. It maintains the quality and precision craftsmanship characteristic of EK products while remaining a cost-effective option for transmission maintenance.

Particularly suitable for machines such as GAS GAS SM 700, KTM 690 SMC R, or YAMAHA YZ 450 F (check the number of links and tension adjustment before installation).

Manufacturer reference: 520SROZ2-STL 112 MLJ