EK/PBR 428DEH 20/59 Chain Kit - Standard Sprocket
This chain kit includes the non-sealed EK 428DEH chain and a PBR steel sprocket set (20-tooth front sprocket / 59-tooth rear sprocket) to completely replace the secondary transmission. Designed for roadsters and demanding road use, it focuses on simplicity and robustness: high-strength steel for the sprocket and crown, and a Heavy-Duty chain treated with a protective lubricating film.
Technical Details:
- Type: EK 428DEH Chain (without O-ring)
- Pitch: 428
- Number of Links: 146
- Roller Width: 6.35 mm
- Tensile Strength: 13,000 N (up to approx. 50 HP)
- Sprocket/Crown Material: High-strength steel
- Weight: 0.96 kg / 100 links
- Relative Lifespan: Index 200 (reference 100 links)
The teeth are machined for a precise fit with the chain, minimizing jolts and premature wear. Complete kit ready for installation: chain, PBR front sprocket, and standard 59-tooth rear crown. Compatible notably with YAMAHA XVS 250 DRAGSTAR (VG03) 2001–2003. Before installation, check the spacing, tension, and alignment; replacing the entire chain/sprocket/crown set ensures a reliable drivetrain and simplified maintenance.
