The problem is between the wooden wheel and the friction bolt. The best way to prevent wear on the wood is to add pvc between the two... that should lighten the bearing.
Bhai aap thoda dimaag lagakar agla tyres as a handle work kare aesa banao .M batata hu kaise handle wale tyres m one keel mid m lagani thi jis se hile na aur handle m ek bade size ki pin lagakar handle se attach kar dete to to handle mast banta
