EK/PBR 520MRD7 Chain Kit 13/52 - Ultra-Light Sprocket
A chain kit designed for motocross: the 520MRD7 combines a high-performance chain with an ultra-light aluminum rear sprocket. Engineered to minimize friction while providing durability against track conditions, it meets the demands of riders seeking efficiency and a polished finish.
- Color: Gold / Gold — racing finish that highlights the transmission.
- Pitch: 520, suitable for standard motocross transmissions.
- Reducer / Sprocket: 13/52 (gear ratio included with the kit).
- Sprocket Material: Ultra-light aluminum to reduce unsprung mass.
- Number of Links: 118 links (delivered ready to install or adjust according to model).
- Weight: 1.47 kg for 100 links (manufacturer reference).
- Relative Lifespan: 450 (value provided for 100 links).
This kit is particularly suited for aggressive motocross and enduro bikes — for example, KTM 450 XC-F, GAS GAS EX 450 F, or Husaberg FE 350 — and will appeal to riders looking for a lightweight setup with a refined aesthetic. As with any transmission, regularly check the tension and lubrication to optimize performance and longevity.
