Mavic Cosmos. I have a set of mavic cosmos wheels on the litespeed that i bought this year. The rear wheel started making a rythmic rubbing noise, not Ksyriums use a mavic proprietary spoke design. Mavic cosmos black and grey 700 310mm spoke in blackfitsmavic cosmos black and grey 700 rear left. Set of mavic cosmos wheels known for their smooth bearings and strength. Service instructions for these wheels used to be available on . I've got a pair i've had for 1.5 or 2 years.