EK CHAIN JT 520MRD7 13/52 - Ultra Light Rear Sprocket Chain kitRef : EKC04277A / 3069312

EK/JT 520MRD7 Chain Kit 13/52 - Ultra-light Sprocket

Designed for motocross use, this EK CHAIN kit combines a 520MRD7 chain with a 13/52 sprocket/crown set featuring an ultra-light aluminum crown. The chain, in gold/gold finish, is engineered to minimize friction while maintaining strength suitable for the demands of competition and challenging terrains.

• Brand: EK CHAIN
• Pitch: 520
• Number of Links: 116
• Color: Gold / Gold
• Crown Material: Aluminum (ultra-light)
• Sprocket/Crown Reference: 13/52
• Weight: 1.47 kg (for 100 links)
• Relative Lifespan: 450 (for 100 links)

This kit is suitable for motocross and enduro bikes where reducing unsprung mass makes a difference. It is particularly compatible with models such as HUSQVARNA FE 450 (2022), KTM 250 EXC‑F SIX DAYS (2022), and HUSABERG FE 450 IE /6 (2013). Installation and adjustment should be performed according to manufacturer recommendations to ensure safety and longevity.

Ideal for riders seeking a lightweight and aesthetically pleasing transmission, this kit provides a complete solution to refresh the transmission shaft before a racing or training season. Regular maintenance and tension checks are essential.