EK CHAIN PBR 420SR 11/59 - Standard Rear Sprocket Chain kitRef : EKC03093A / 3067648

EK/PBR 420SR Chain Kit 11/59 – Standard Sprocket

This complete kit combines the EK 420SR chain (non O-ring) with a PBR steel front sprocket and a steel rear sprocket. Designed for urban use and light trail riding, it offers reliable transmission and good longevity for 50 cc motorcycles and machines up to ~25 HP.

• Type: EK 420SR Chain (non O-ring) – pitch 420
• Number of links: 134
• Roller width: 6.35 mm
• Tensile strength: 6,500 N
• Materials: high-strength steel chain, PBR steel sprocket, steel rear sprocket
• Weight: 0.75 kg / 100 links
• Treatment: protective coating to limit wear and resist urban pollution
• Relative lifespan: 200 (reference on 100 links)

Advantages: ready-to-install kit to restore transmission, machined teeth for precise coupling with the chain, steel components to withstand daily urban stresses. Ideal for refurbishment after wear or to maintain a strong acceleration and smooth transmission. Remember to check tension and lubricate regularly to maximize lifespan.

Compatible motorcycles (examples): DERBI Senda X-Treme 50 SM, GILERA SMT 50 Drifting, APRILIA SX 50 Factory.