Repair stand tool free operation tripod stand target group bike workshop material aluminium weight 5 700 g wheel sizes 20 24 26 27 5 28 29 inch minimum clamp opening 19 mm maximum clamp opening 66 mm minimum height 106 cm maximum height 180 cm base 1372 x 1372 cm dimensions folded 15 x 20 x 117 cm adjustability height adjustable collapsible max load 386 kg