Castelli Aero Race Shoecover White Variant:Castelli Shoecover Aero Race White - L Power Straps for lasting elasticity

Power Straps for lasting elasticity and support

Featuring Enduro Ceramic Zero bearings for the efficiency of Ceramic

smaller one that covers hubs with 12 mm & 15 mm  through axles and bigger version that works with 20 mm through axle hubs

The rack legs are adjustable to fit most 24” & 26” wheel Fat Bikes

and this is simply because it's the best material for the job

Castelli Aero Race Shoecover White Variant:Castelli Shoecover Aero Race White - L Power Straps for lasting elasticityFor the days when you just want to keep the wind and rain out without any extra bulk. The thin, stretchy fabric forms to the shoe for a perfect, aero fit while blocking the wind and wet. Product features Waterproof non insulated aero bootie for cool and wet conditions Waterproof PU coated stretch fabric Silicone bead at inside top of cuff to seal water out Waterproof zipper High durability material under foot Technical Features Insulation: 2 5