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JT 13 Tooth Front Sprocket with Mud Groove for KTM 125-640 1995-
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Source: Duell · 14-10-2026. Check the exact variant and application notes.

Product description
Restore your KTM’s perfect power transfer with the JT 13-tooth front sprocket with mud groove – suitable for KTM 125 to 640 cc models from 1995 and older!
This premium JT sprocket is made from high-grade steel with a specialized heat treatment for maximum strength and wear resistance. The unique mud groove in the teeth automatically clears mud, sand and dirt, keeping your chain cleaner, reducing wear and extending the lifespan of your drivetrain – ideal for the heavy, muddy Belgian and Dutch motocross tracks.
With 13 teeth, you’ll get a noticeable boost in punch and faster acceleration, perfect for lower gears on technical tracks or enduro trails. JT is known worldwide for its reliable, lightweight and durable sprockets trusted by countless racers. Easy to install and delivers an immediate, notable improvement to your KTM’s drivetrain.
Specifications
Manufacturer and product safety
Manufacturer
JT SPROCKETS
30 Optima Park
DA1 4QX Crayford, Kent
GB
sales@bikealert.com
EU responsible person
Parts Europe GmbH
Conrad Röntgen-Str. 2
54332 Wasserliesch
Duitsland
sales@partseurope.eu
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