EK CHAIN PBR 520MRD7 13/51 - Ultra Light Rear Sprocket Chain kitRef : EKC04072A / 3069034

The EK/PBR 520MRD7 13/51 chain kit is a set designed for motocross riders seeking lightweight performance and durability in demanding terrain. Comprising a 520 chain and an ultra-light aluminum sprocket, it aims to reduce unsprung mass while maintaining a construction suited to off-road conditions.

• Brand: EK CHAIN
• Designation: EK/PBR 520MRD7 13/51 chain kit - ultra-light sprocket
• Pinion/Sprocket configuration: 13/51
• Pitch: 520
• Number of links: 116
• Color: Gold / Gold
• Sprocket material: Aluminum (ultra-light)
• Relative lifespan (100 links): 450
• Stated weight: 1.47 kg for 100 links

Designed to handle jumps, landings, and mud, the EK chain minimizes friction while providing good tensile strength and abrasion resistance. The ultra-light aluminum sprocket helps reduce unsprung mass for a more responsive rear wheel behavior, without compromising compatibility with 520 transmissions. Ideal for motocross bikes, it easily adapts during routine maintenance or transmission replacement.

Compatibility (examples):

• HM CRE-F 500 X (2014 - 500 cm3)
• HM CRE-F 500 X (2013 - 500 cm3)
• HM CRE-F 500 X (2012 - 500 cm3)