EK CHAIN PBR 420SR 14/48 - Standard Rear Sprocket Chain kitRef : EKC04506A / 3070250

EK/PBR 420SR Chain Kit 14/48 - Standard Sprocket

Designed for urban use and suitable for small displacement bikes, this EK CHAIN 420SR chain kit combines strength and flexibility for the drive of 50cc and urban supermotards. The SR series benefits from a specific heat treatment on the plates to enhance wear resistance while maintaining appreciable flexibility after many kilometers — a key advantage for frequent stops and accelerations in urban environments.

• Type: 420SR chain kit (sprocket 14 / rear sprocket 48)
• Number of links: 128
• Pitch: 420
• Rear sprocket material: Steel (standard sprocket)
• Color: Steel / Steel
• Weight: 0.75 kg / 100 links (manufacturer reference)
• Relative durability index: 200 (for 100 links)

Designed to enhance the transmission without compromising reliability, this kit is particularly suitable for urban machines and lightweight touring bikes. Please check compatibility with your model before installation.

Common compatibilities:

• RIEJU SMX 50 (2002)
• RIEJU MRX 50 (2002)
• RIEJU SMX 50 (2001)

Manufacturer reference: Not provided.