Manufacturer reference: 4860235
JT 420HDR reinforced chain kit 13/53 - standard sprocket
Designed for urban riding and small 50 cc trails, this JT Drive Chain kit combines a reinforced 420 HDR chain with a 13-tooth sprocket and a 53-tooth steel rear sprocket. Together, they form a transmission ready to replace the original setup and restore a good gear ratio for most 50 cc engines.
- Chain: 420 HDR (black/steel) with XS-Ring seals to limit dust intrusion and maintain internal lubrication.
- Sprocket: standard, 13 teeth, machined for precise fitting.
- Rear Sprocket: standard steel, 53 teeth, robust construction for direct replacement.
- Usage: primarily intended for urban environments and 50 cc scooters/small enduros.
Before ordering, check the list of components and compatibility with your model: some vehicles may require different mounting or specific references. Examples of compatible models: GILERA SMT 50 (2005), DERBI SENDA 50 R X-RACE (2005), GILERA RCR 50 (2005).
Easy to install kit to replace a worn transmission and restore the drivetrain behavior without surprises. JT is recognized for its transmission components offering precise assembly and uniformity of parts.