JT JTA75 RaceLite Aluminium rear sprocket – 520 pitch

JT JTA75 RaceLite Aluminium Rear Sprocket – 520 Pitch

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

Technical Specifications

• JT Part Number / Fitment: JTA75
• Mounting Position: Rear
• Chain Pitch: 520
• Available Teeth in Shop: 44, 46

Compatible Models – Official JT Vehicle Fitment

Important information on tooth selection: The JT fitment number describes the compatible mounting interface. The Application Guide also specifies the number of teeth with which each vehicle is listed. Other available tooth counts within the same fitment family will alter the gear ratio and may differ from the stock gearing.

44 Teeth according to JT Application Guide

• BMW S1000 RR <<< 520 Chain Conversion (1000 cc) – Model Year 09-11 – Chain 520, 120 Links
• BMW S1000 RR Sport <<< 520 Chain (1000 cc) – Model Year 10 – Chain 520, 120 Links

45 Teeth according to JT Application Guide

• BMW S1000 R <<< 520 Chain Conversion (1000 cc) – Model Year 13-18, 19-20 – Chain 520, 120 Links
• BMW S1000 RR <<< 520 Chain Conversion (1000 cc) – Model Year 12-18 – Chain 520, 120 Links
• BMW S1000 XR <<< 520 Chain Conversion (1000 cc) – Model Year 14-19, 20-21 – Chain 520, 128 Links

Installation and Gearing Note

• Before ordering, check the model, year, chain pitch, and required number of teeth.
• A different number of teeth alters the gear ratio and may require a different chain length or an adjustment to chain tension.
• Perform installation and tighten to torque specifications provided by the vehicle manufacturer.