-The Dia-tech Box U Brake has angled CNC'ed machined arms which are stronger than regular forged arms. Also includes Dekka V-type pads which can accommodate rim widths between 22mm-32mm, upgraded Fiesta hardware with dual spring tension adjustment & super low profile adjusters, stainless steel springs and an ultra small cable anchor unit. Angled 15 degrees for rear brake use only. Weight: 5.6oz..