Reinforced lightweight duralumin Stunt Full Frame Yamaha r6 2003-2005 was designed for stunt riding but also fits city motorcycles.
The steering column diameter is 70 mm.
Column thickness – 6 mm.
The NET weight of this lightweight duralumin stunt full frame is less than 10 kg (<22lbs)
We also have a Yamaha r6 2003-2005 full steel stunt frame