EK/JT 420SH 13/48 Chain Kit - Standard Sprocket
Replace your entire transmission at once with this compact kit designed for urban use and small displacement bikes. The EK 420SH O-ring chain combined with the JT front sprocket and the standard steel rear sprocket forms a robust final drive, built to last and withstand daily use. Ideal for 50cc and lightweight machines where reliability and ease of maintenance are paramount.
- Type: EK 420SH Chain (O-ring) + JT Sprocket + Standard Steel Sprocket
- Dimensions: 13-tooth Sprocket / 48-tooth Sprocket
- Technical Features: Pitch 420, 120 links, roller width 6.35 mm
- Materials: High-strength steel for sprocket and chain, steel chain with O-ring seals
- Tensile Strength: 8,000 N (suitable for motorcycles up to ~30 HP)
- Weight: 0.91 kg for 100 links
- Life Index: Relative lifespan 200 (for 100 links)
Practical advantages: complete assembly for quick replacement, smooth transmission thanks to precise tooth adjustment, easy maintenance due to O-ring seals. Check compatibility with your model before installation — this kit fits several generations of YAMAHA DT 50 R (1994–1996).
