Bombtrack Cale AL review
Advertisement Although at first glance, it appears to be a relatively normal aluminium hardtail, a closer look reveals a frame with several features that make it a more versatile option. Bombtrack Cale AL frame and suspension details The Cale AL is wrought from 6061 series aluminium, often used for its stiffness to weight properties as well as for how it can be hydroformed to the needs of the frame in question. In this case, the top tube leaves the head tube as a vague triangle and joins the seat tube having ovalized horizontally, whereas the down tube is roughly rectangular, varying in dimen...
Source: bikeradar.com