The park tool prs21 aluminium team race stand has the same great features as the prs20 team race stand ideal for the roving mechanic it is built using a combination of steel for strength in joints and pivots and aluminium to save weight and comes in at only 135 pounds62 kg a 35 per cent weight saving the prs21 is a compact work stand that securely holds the bike without clamping ultra lightweight aluminium or carbon frame tubes and seat pins its perfect for bikes with tight access area