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Transmissions

Sprocket JT. Steel Standard 1141 - 420

JT. Steel Standard 1141 - 420 Sprocket Ref : JTC01149A / 1129820003

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JT. Steel Standard 1141 - 420 SprocketRef : JTC01149A / 1129820003

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Description
Compatible motorbikes
Questions and answers

DescriptionJT. Steel Standard 1141 - 420 Sprocket

Product details :

Features

Manufacturer Ref: JTR1141.60 — JT Sprockets C49 Steel Sprocket, 60 teeth, pitch 420. Designed for replacement or gearing adjustment, this sprocket fits 420 chain transmissions of small displacement and urban machines.

Brand: JT SPROCKETS
Material: Steel (C49 carbon alloy)
Number of teeth: 60
Chain pitch: 420
Type: Standard
Color: raw steel

The standard tooth profile and C49 steel provide a robust solution for the rear sprocket: easy installation, predictable wear, and compatibility with 420 pitch sprockets and chains. Ideal for mopeds and small urban motorcycles where reliable transmission is sought for daily or fun use in the city.

Common compatibilities: BETA RR 50 MOTARD (2025), BETA RR 50 ENDURO (2025), BETA RR 50 MOTARD TRACK (2024) — check the sprocket reference and chain pitch on your machine before ordering.

Workshop tip: replace the chain and sprocket at the same time if any component shows significant wear, and check the torque during installation to ensure a safe and quiet transmission.

Technical information :

Reference

JTC01149A / 1129820003

No transmission chain

420

Number of teeth (crown)

Type of crown

Standard

Number of teeth

60 teeth

Material

Steel

Color

Steel

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