Mavic zxellium ultimate road shoesthe mavic zxellium ultimate road shoes offer improved power transfer reduced weight and better comfort due to the reinforced carbon frame combined with a new closer fitting ergo heel and ergo lite upper features delivered with mesh shoe bagdelivered with recommended length screws 8mm for outsolelow profile 2 position ratchet supportergo lite upperergo fit 3dergo lite toe capergo lite ratchetergo strap customergo tongueergo heelergo strap carbonenergy lock ca