JT. JT/JT 420HDR 12/52 (No OEM Ratio) Reinforced - Steel Standard Rear Sprocket Chain kitRef : JTC01231A / 3064881

JT/JT 420HDR 12/52 Chain Kit (non-OEM) reinforced - standard steel sprocket

Designed for small urban motorcycles, this JT DRIVE CHAIN kit combines robustness with components designed for intensive city use. The 420 pitch chain in black/steel finish features XS-Ring seals that minimize lubricant loss and dust infiltration, optimizing longevity in conditions of frequent stop/start.

• Type: Reinforced HDR chain, Racing quality
• Pitch: 420
• Seals: XS-Ring (better sealing of links)
• Sprocket: Standard steel, durable and repairable
• Color: Black/Steel
• Manufacturer reference: Not provided

This 12/52 kit is suitable for the drive wheels of the mentioned 50cc mini-motorcycles and supermotards, including the RIEJU SMX 50 PRO (2008/2009) and RIEJU RR 50 (2005) models. Installation and adjustment are done like any standard chain kit: checking tension, regular lubrication of the links, and checking the wear of the sprocket to preserve the transmission.

Ideal for urban riders looking for a reinforced and reliable set for daily or light sports use. Be sure to check vehicle compatibility before ordering.