the Apex XT is a heavy-duty 4-bike carrier with a 68kg maximum weight rating

Shell width: Designed for use with 73mm press-fit MTB shells in either PF30 (46mm) or BB30 (42mm) diameter

The Linear XL air can is the answer

24" or 100cm〜299cm (default：26")

it folds down small enough to fit in your pocket

Fox Wind Jacket - M - Black PDP|Option the Apex XT is aWhen temps and weather vary from hour to hour, you want this jacket in your back pocket. Durable, water resistant, and deceptively light and packable, the Ranger Wind Jacket provides ready in an instant coverage without the bulk of your typical outerwear. Features: Can be packed into its interior pocket, which fits in most bike jersey back pockets Durable water repellent finish sheds moisture, dirt, and debris, keeping the rider clean and dry in most