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JT DRIVE CHAIN 420 HDR 418 – Manufacturer Ref: JTC420HDR108SL
Designed for small to medium displacement motorcycles, the JT DRIVE 420 HDR chain offers a robust solution for the transmission of 50–150 cc bikes. Its Heavy-Duty construction in black steel and clip closure facilitate installation and maintenance on enduros, urban roadsters, cross machines, and dual-purpose bikes.
Type: 420 HDR Heavy Duty
Pitch: 420
Number of links: 108
Weight: 0.74 kg / 100 links
Roller diameter: 7.77 mm
Pin length: 15.05 mm
Plate thickness (int./ext.): 1.6 mm / 1.6 mm
Tensile strength: up to 2,000 kg
Closure: clip
Material / color: black steel
Key points: The 420 HDR focuses on durability and ease of maintenance: practical clip fastening for assembly, tolerances suitable for the sprockets and crowns of small displacement bikes, and steel finish for long-lasting performance. Ideal for riders looking for a reliable and versatile chain at a controlled price.
Workshop advice: check the tension, sprocket/crown compatibility, and apply regular lubrication. Suitable for models such as HONDA CRF 110 F (JE02), RIEJU MRT 50 SM, or FANTIC XM 50 PERFORMANCE.
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