EK/PBR 420SR Chain Kit 12/44 - Standard Sprocket
Designed for urban use and small displacement motorcycles, this EK SR chain kit combines a 420 chain with a 12-tooth sprocket and a standard 44-tooth steel sprocket. The SR series features a design that maintains the flexibility of the chain even after prolonged use: the plates undergo a specialized heat treatment to optimize durability and strength without compromising ride quality.
- Type: Complete chain kit (sprocket + sprocket + chain)
- Chain: Pitch 420, 126 links, steel/steel color
- Sprocket: Steel (standard sprocket)
- Tooth Count: 12 teeth
- Relative Lifespan: 200 (for 100 links)
- Weight: 0.75 kg / 100 links
- Manufacturer Reference: Not provided
Ideal for replacing the transmission on your 50cc or for a quick restoration, this kit is aimed at urban riders looking for a robust and easy-to-install part. Common compatibilities: RIEJU RRX SPIKE 50 (2009), RIEJU RRX 50 (2008), RIEJU RS1 50 (2002). Be sure to check the fit and adjust the tension, then lubricate the chain regularly to maximize its lifespan.
