JT/JT 420HDR 11/52 Chain Kit — a final drive designed for small urban motorcycles. This reinforced kit by JT DRIVE CHAIN maintains the OEM ratio (11/52) and consists of a chain with a pitch of 420 in black/steel finish and a standard steel sprocket. Ideal for replacement installations on 50 cc motorcycles where reliability and ease of maintenance are sought.
- Chain Type: HDR
- Seals: XS-Ring
- Quality: Racing
- Pitch: 420
- Configuration: 11/52 (OEM ratio)
- Color: Black / Steel
- Sprocket: Standard steel, reinforced
Designed for urban use on small motorcycles, this chain kit is a direct replacement and is particularly suitable for the listed RIEJU models: SMX 50 PRO (2008/2009) and RR 50 (2005). The set provides a complete solution to restore the final drive: chain, sprocket, and crown to original specifications.
For optimal longevity, adhere to the recommended maintenance intervals: check tension, appropriate cleaning, and lubrication. Manufacturer reference: not provided.
