- Securely holds Mountain, Road, BMX, Kids, Fat Bikes, eBikes and more.  eBikes need batteries removed and brake levers engaged for best results. -Easily fits all major tire diameters and sizes - 29", 27.5", 26", 24", 20" (20" may require an extra strap on the tire basket as needed. See tire fit on the rack finder page.) - 3" Plus to 700cc x 23mm - 5" fat tires (with optional accessory)