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JT Sprockets is the world's leading manufacturer of aftermarket sprockets, constantly raising the industry's standards for quality and service. We are committed to supplying the most durable, best quality sprocket available in the marketplace worldwide. This is why we produce and sell more sprockets than all the other aftermarket brands combined.
JT sprockets are made using only the best available materials. Aviation-grade 7075-T6 aluminium alloy for lightweight competition sprockets, SCM420 chromoly steel alloy for front sprockets, and we are the only sprocket manufacturer using the ultra-durable high carbon C49 steel for rear sprockets.
  • Gas Gas Yamaha YZ125, WR250, YZ250  JT 13T Front Sprocket

    Gas Gas Yamaha YZ125, WR250, YZ250 JT 13T Front Sprocket

    JTF1590.13  JT13T Front Sprocket Gas Gas: 250 EC 4T  11-12 250 EC F 4T  12 250 EC F 4T  13-15 250 EC Six Days  11-12 300 EC F   13-15 300 EC F Six Days 4T ...

    $16.50

  • JTF1590.13SC JT 13T SC Front Sprocket

    JTF1590.13SC JT 13T SC Front Sprocket

    JTF1590.13SC  JT 13T SC Tooth Front Sprocket    Gas Gas Off Road:250 EC 4T 2011-2012250 EC F 4T 2012250 EC F 4T 2013-2-15250 EC Six Days 2011-2012300 EC F 2013-2015300 EC F Six Days 4T...

    $20.80