EK/PBR 520SRX2 Chain Kit 14/50 - ultra-light sprocket: a set designed for motocross riders who want to maintain a reliable, lightweight transmission with a polished visual appeal. This kit combines EK's SRX2 series with an ultra-light aluminum rear sprocket to reduce unsprung weight without misleading communication effects — simply a lightweight and refined part for off-road competition.
- Color: Gold / Gold — a polished finish that will highlight the swingarm.
- Pitch: 520, designed for standard off-road motorcycle transmissions.
- Number of links: 114 links (to be adjusted if necessary during installation).
- Sprocket: Ultra-light aluminum to limit rotating mass.
- Weight: 1.54 kg for 100 links (manufacturer's value).
- Relative lifespan: 3300 (reference for 100 links according to provided data).
Designed for the motocross world, this kit is compatible with YAMAHA WR 426 F (CJ02) 2001 and 2002 (426 cc). Installation and adjustment should be carried out according to the manufacturer's recommendations or by a professional. Product sold without unverified performance promises: it offers a weight/aesthetic/practicality combination appreciated by off-road motorcyclists.