Mavic A Allroad 1025 Rims 650B 32 Hole BlackWith a wider rim and a 650B diameter this high end rim will help you tackle the roughest roads, pav, gravel or dirt Key Benefits Wide and superlight for more versatility 25mm inner width ISM4D machining to save weight UST compliant New rim bed shape makes it easier to mount and change tires Improved rolling efficiency and comfort reduced risk of pinch flats High end finishing Black eyelets Matt finishing ISM4D machining for a unique design