The mavic crossmax st d6t 29er wheel is a lightweight and versatile all mountain weapon offering you the perfect balance of mavic technology and mtb heritage making for a strong and responsive wheel set the 24 spokes on the front wheel give great braking stability and comfort while the 20 spoke rear wheel optimizes power transfer giving a exclusive trail construction this mavic mtb wheel has ism inter spoke milling reducing weight without affecting the durability of the rim the u