EK/JT 420SH 11/52 Chain Kit - Standard Sprocket
This complete kit combines the EK 420SH chain (with O-ring seals) with a JT steel front sprocket and a steel rear sprocket. Designed for small displacement bikes and urban use, it offers a simple and robust solution for replacing the sprocket/chain/sprocket set.
Key Features:
- Chain Type: EK 420SH with O-ring for protected lubrication
- Pitch: 420
- Number of Links: 132
- Roller Width: 6.35 mm
- Tensile Strength: 8,000 N (suitable for bikes up to ~30 HP)
- Weight: 0.91 kg for 100 links
- Materials: high-strength steel chain and sprockets
- Relative Lifespan: value 200 (for 100 links, manufacturer data)
Why Choose This Kit:
- Complete Replacement: front sprocket, rear sprocket, and chain provided for a coherent installation.
- Easy Maintenance: O-ring seals limit lubricant loss and premature wear.
- Steel Components: robustness and longevity for road and urban use, as well as for light off-road applications.
Check dimensional compatibility with your model before ordering. Common application examples: RIEJU MRT 50 ENDURO (2011–2013). Installation and adjustment recommended by a professional to ensure correct tension and optimal lifespan.
