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Transmissions

Sprocket JT. Steel Standard 1141 - 420

JT. Steel Standard 1141 - 420 Sprocket Ref : JTC00616A / 1129820002

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JT. Steel Standard 1141 - 420 SprocketRef : JTC00616A / 1129820002

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Description
Compatible motorbikes
Questions and answers

DescriptionJT. Steel Standard 1141 - 420 Sprocket

Product details :

Features

JT Sprockets Standard Steel Sprocket 1141 - 420 (Manufacturer's Ref: JTR1141.51)

Designed for replacements and gearing changes, this JT Sprockets sprocket is aimed at urban riders looking for a reliable transmission part. Made from steel (carbon C49), it matches the original specifications for immediate compatibility with drivetrains equipped with a 420 pitch chain.

Brand: JT SPROCKETS
Material: Steel (C49)
Number of Teeth: 51 teeth
Chain Pitch: 420
Type: Standard
Reference: JTR1141.51
Color: Steel

This sprocket is part of regular transmission maintenance: simultaneous replacement of the pinion, checking the chain, and adjusting the tension to restore a healthy transmission system. It is particularly suitable for urban use and small displacement machines where gearing precision is important.

Common Compatibilities:

BETA RR 50 MOTARD (2025)
BETA RR 50 ENDURO (2025)
BETA RR 50 MOTARD TRACK (2024)

Check the references and chain pitch of your motorcycle before ordering to ensure a hassle-free installation.

Technical information :

Reference

JTC00616A / 1129820002

Rear sprocket type

1141

No transmission chain

420

Number of teeth (crown)

Type of crown

Standard

Number of teeth

51 teeth

Material

Steel

Color

Silver

Compatible motorbikes

BETA14 compatible models

RR 50 ENDURO - 2016/2025RR 50 ENDURO RACING - 2016/2024RR 50 ENDURO SPORT - 2017/2024RR 50 MOTARD - 2016/2025RR 50 MOTARD SPORT - 2018/2024RR 50 MOTARD TRACK - 2008/2008 - 2017/2024RRT 50 ENDURO - 2005/2015RRT 50 ENDURO RACING - 2008/2015RRT 50 ENDURO X-SERIES - 2005/2007RRT 50 ENDURO TRACK - 2012/2015RRT 50 MOTARD RACING - 2008/2012RRT 50 MOTARD - 2000/2012RRT 50 MOTARD TRACK - 2012/2012RRT 50 MOTARD X-SERIES - 2006/2007