Hayabusa Fork on BMW R50 R60 R75 R90 R100 K100 Frame Conversion Stem

$168.97 USD

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Bearings: Without Bearings

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This stem allows you to bolt-on a Hayabusa fork to a BMW R50 R60 R75 R90 frame. Simply press out the OEM Hayabusa stem, and press this one in. 


  • Made from 6061-T6 aircraft grade aluminum.
  • Precision CNC machined. 
  • Will work with 1999-2007 Hayabusa
  • Stem fits all years of the BMW R50 R60 R75 R90 R100 K100
  • Most likely fits other Airhead Models but we have not tested all of the frames.
  • If you need stem pressing service make sure you add it to your cart HERE.
    If you do not have access to a press Cognito Moto can do the stem swap for you. Please mail us your lower triple with return address. This is an additional $20 so please be sure to select this option when adding this item to the cart.
    • BMW Stem comes with All Balls Racing bearings part numbers: 99-3521-5 & 99-3521-5