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Chain kit EK CHAIN JT 420SH 11/47 - Standard Rear Sprocket

Season launch

EK CHAIN JT 420SH 11/47 - Standard Rear Sprocket Chain kit

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Season launch

EK CHAIN JT 420SH 11/47 - Standard Rear Sprocket Chain kitAPRILIA 50 RS 50 REPLICA - 2001 - 2003 - 2005Ref : EKC03743A / 3068554

Name: JT 420SH 11/47 - Standard Rear Sprocket
Brand: EK CHAIN
Price: 58.78 EUR
Availability: InStock

Recommended retail price:74,36 €?

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Description
Compatible motorbikes
Questions and answers

DescriptionEK CHAIN JT 420SH 11/47 - Standard Rear Sprocket Chain kit

Product details :

Features

EK/JT 420SH 11/47 Chain Kit - Standard Sprocket

This complete kit combines the EK 420SH chain (O-ring) with an 11-tooth front sprocket and a 47-tooth rear sprocket made of JT steel. Designed for small urban engines, it provides a simple and robust solution to renew the drivetrain: chain, sprocket, and rear sprocket are delivered ready to install.

Main Features:

Type: EK 420SH chain with O-ring seals – lubrication preserved for reduced wear.
Configuration: 11-tooth sprocket / 47-tooth rear sprocket (standard steel sprocket).
Number of Links: 124 links (adjustment may be needed depending on installation).
Pitch: 420 – roller width 6.35 mm.
Material: High-strength steel chain and sprocket, JT steel sprocket for increased longevity.
Weight: 0.91 kg for 100 links (indicator of robustness).

Benefits for the Rider:

Reliable transmission and smooth torque delivery for urban use.
Complete kit ready to replace worn parts, simplifying maintenance.
Suitable for listed lightweight models (e.g., Aprilia RS 50 Replica 2002‑2005) — check vehicle compatibility before installation.

For optimal lifespan, check the tension, clean, and re-lubricate the chain regularly. Manufacturer reference: not provided.

Technical information :

Reference

EKC03743A / 3068554

Complete chain weight

1,12 kg

Quality

Racing

Weight (kg/100 links)

0,91 kg

Relative wear life (per 100 links)

200