JT JTF139 Front Sprocket – Pitch 415

JT JTF139 Front Sprocket – Pitch 415

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

Technical Specifications

• JT part number / Fitment: JTF139
• Installation position: Front / transmission output
• Chain pitch: 415
• Teeth selectable in shop: 10, 11

Suitable for – official JT vehicle compatibility

For fitment number JTF139, no vehicle application list is included in the provided JT Sprockets Application Guide 2024. Therefore, no vehicle models have been fabricated. The part is intended for vehicles that use this JT fitment number.

Installation and gear ratio note

• Before ordering, check the model, year of manufacture, 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 to the chain tension.
• Perform installation and tighten to the torque specifications provided by the vehicle manufacturer.