ERGOTEC Handlebar Riser 30 MAS. Grip height 30 mm, 13°, handlebar clamp ø 25,4 mm Level 4, MAS-Nb TI/1,2, approx. 360 g (590 mm) - 415 g (660 mm) grip width 590 mm, grip length 180 mm.ERGOTEC Handlebar Riser 30 MAS.Grip height 30 mm, 13°, handlebar clamp ø 25,4 mm Level 4, MAS-Nb TI/1,2, approx. 360 g (590 mm) - 415 g (660 mm) grip width 590 mm, grip length 180 mm.