EK CHAIN JT 420SH 11/52 - Standard Rear Sprocket Chain kitRef : EKC03803A / 3068624

This complete kit combines the EK 420SH (O-ring) chain with a JT front sprocket and a rear steel sprocket. Designed for urban motorcycles and small displacements, it provides the essential components to replace the secondary transmission: chain, sprocket, and rear sprocket, ready to be mounted for a reliable engine/wheel connection.

• Chain: EK 420SH with O-ring seals for preserved lubrication and reduced maintenance.
• Pitch: 420
• Number of Links: 126
• Roller Width: 6.35 mm
• Tensile Strength: 8,000 N (suitable for motorcycles up to ~30 HP)
• Color: steel / steel
• Sprocket and Rear Sprocket: made from high-strength steel, teeth machined for good coupling with the chain.
• Weight: 0.91 kg / 100 links
• Relative Lifespan (100 links): 200

• Complete kit ready to mount: saves time and ensures component consistency.
• O-ring chain: better preservation of internal lubrication.
• Steel components: durability for urban use and daily commuting.

Manufacturer's reference: Not provided. Compatible notably with RIEJU MRX 50 PRO (2007‑2008) and RIEJU MRX 50 (2008). Always check the dimensions (11/52) and the number of links before ordering.