JT steel rear sprocket JTR23.47, 47 teeth, 420 pitch

JT steel rear sprocket JTR23.47, 47 teeth, 420 pitch

JT rear sprocket. The vehicle compatibility list below was taken from the official JT Sprockets Application Guide 2024.

Technical data

• JT part number / fitment: JTR23
• Installation position: Rear
• Chain pitch: 420
• Teeth selectable in shop: 47

Compatible with – official JT vehicle compatibility list

Important regarding tooth selection: The JT fitment number describes the compatible mounting. The Application Guide also specifies the number of teeth the respective vehicle is equipped with as standard. A different number of teeth offered within the same fitment family will change the gear ratio and may differ from the stock gearing.

47 teeth according to JT Application Guide

• Aprilia 50 RS – year 99-05 – chain 420, 122 links
• Aprilia 50 Tuono – year 03-05 – chain 420, 124 links

Installation and gear ratio note

• Before ordering, check the model, year, chain pitch, and desired number of teeth.
• A different number of teeth changes the gear ratio and may require a different chain length or an adjustment of the chain tension.
• Perform installation and tightening torques according to the vehicle manufacturer's specifications.