REAR HUB – TRAILMASTER 300/ HAMMERHEAD250 W/ IRS REAR
Rear hub for Hammerhead 250cc and TrailMaster 300 karts. Many be black or gold in color depending on current stock. Studs not included you will need to use your old studs or order new studs.
Spline count – 23
Will not work on Carter 250 / 300 karts.
Bolt pattern is 137mm.