The Biknd Oxygen Wheel Case is the first wheel bag of its kind to offer unbeatable air-bag protection by incorporating well positioned inflatable dividers in an ultra-light package for the ultimate in wheel case protection. Packing and securing your wheel is now effortless with a 180-degree wide-mouth opening, and flexible materials with rigid reinforcements for bombproof protection. With airline luggage quantity and weight restrictions on the rise, the Biknd Oxygen is engineered to connect multiple wheel cases together via a Velcro and buckle system. The pockets store skewers and additional items, while the plush shoulder strap is built for comfort and ease of transfer. Holds one wheel and is compatible with 700c, 29er, 650b and 26" wheels.