Wheel rim for vehicles has undercut section provided in region of humps to reduced weight and improve fuel economy

摘要

The wheel rim has at least one hump (11,12) as well as an undercut section (13) provided in the region thereof. Preferably an inner hump (12) is provided in the inner region and a further hump is provided in the outer region of the rim. The rim is forged from steel plate or aluminium.