The mavic open sport road rim as a proud descendant of ma2 ma40 and ma3 open sport is the perfect blend of successful mavic rim features it is the perfect balance of durability weight and price mavic open sport road rim features 6106 aluminum alloy pinned traditional drilling ub control single eyelet low profile clincher external wear indicator dimensions etrto compatible size 622 x 15 recommended tyre widths 19 to 32mm valve hole di