EK/PBR 520SRX2 Chain Kit 13/51 - ultra-light sprocket by EK CHAIN: a complete kit designed for motocross, combining strength and lightness. The SRX series is known for its performance/value balance and benefits from regular improvements to remain suitable for off-road conditions.
- Pitch: 520
- Sprocket / Crown: 13 / 51
- Number of links: 114
- Color: Gold / Gold
- Crown material: Aluminum (ultra-light)
- Weight: 1.54 kg for 100 links
- Relative lifespan: 3300 (comparative value)
This chain kit covers the essentials: treated chain and matching sprocket/crown for a clean installation. The aluminum crown reduces unsprung weight, which is useful in motocross where every gram counts, while remaining compatible with intensive use if maintenance (tension and lubrication) is respected. Suitable for standard setups and replacement on off-road machines.
Compatible motorcycles (examples):
- HONDA CRF 450 X (PE06) 2020 - 450 cc
- HONDA CRF 450 X (PE06) 2019 - 450 cc
- HONDA CRF 450 X (PE06) 2018 - 450 cc
Manufacturer reference: not provided. Before installation, verify compatibility with your machine and follow the manufacturer's recommendations for tension and maintenance of the transmission.
