EK CHAIN PBR 420SR 11/50 - Standard Rear Sprocket Chain kitRef : EKC04478A / 3070221

EK/PBR 420SR Chain Kit 11/50 - Standard Sprocket

Designed for urban commuting and small displacement bikes, this EK CHAIN SR series chain kit combines durability and flexibility. The 420SR chain features a specific heat treatment of the plates that increases wear resistance without sacrificing flexibility, even after long hours of riding. The standard steel sprocket ensures reliable mechanical performance for everyday road and city use.

• Type: 420SR Chain Kit (11-tooth sprocket / 50-tooth sprocket)
• Pitch: 420
• Number of Links: 126
• Color: Steel / Steel
• Sprocket Material: Steel
• Relative Lifespan: Index 200 (for 100 links)
• Weight: 0.75 kg (for 100 links)

Ideal for riders looking for a reliable transmission on their 50cc bikes, this kit fits common setups and is suitable for urban riding. For optimal longevity, ensure proper tension adjustment, sprocket/sprocket alignment, and regular maintenance (cleaning and lubrication). Compatible with several 50cc small motorcycles such as the BETA RRT/RR 50 Motard.