JT steel rear sprocket JTR217.56, 56 teeth, 428 pitch

JT steel rear sprocket JTR217.56, 56 teeth, 428 pitch

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

Technical specifications

• JT part number / Fitment: JTR217
• Installation position: Rear
• Chain pitch: 428
• Teeth available in shop: 56

Fits – official JT vehicle compatibility

Important information on tooth selection: The JT fitment number describes the compatible mounting. The Application Guide also specifies the number of teeth with which each vehicle is listed. A different number of teeth offered for the same fitment family will change the gear ratio and may differ from the stock gearing.

49 teeth according to JT Application Guide

• Honda CR80 RG >>> 428 chain conversion (80 cc) – model years 86 – chain 428, 114 links
• Honda CR80 R >>> 428 chain conversion (80 cc) – model years 87-91, 92-95 – chain 428, 114 links
• Honda CR80 R >>> 428 chain conversion (80 cc) – model years 96-02 – chain 428, 116 links
• Honda CR85 R-5,6,7 >>> 428 chain conversion (85 cc) – model years 05-07 – chain 428, 116 links

50 teeth according to JT Application Guide

• Honda CR85 R-3,4 >>> 428 chain conversion (85 cc) – model years 03-04 – chain 428, 116 links

55 teeth according to JT Application Guide

• Honda CR80 R2 Expert >>> 428 chain conversion (80 cc) – model years 96-02 – chain 428, 126 links
• Honda CR85 RB-5,6,7 Expert >>> 428 chain (85 cc) – model years 05-07 – chain 428, 124 links

56 teeth according to JT Application Guide

• Honda CR85 RB-3,4 Expert >>> 428 chain conversion (85 cc) – model years 03-04 – chain 428, 124 links

Installation and gear ratio information

• Check the model, year, chain pitch, and desired number of teeth before ordering.
• A different number of teeth will change the gear ratio and may require a different chain length or an adjustment of the chain tension.
• Carry out installation and tightening torques according to the vehicle manufacturer's specifications.