Yakima Boa Bike Mount Pivoting wheel tray fits crossbar spreads 32" to 50" Doesn't touch the painted surfaces of your bike Fits round or square crossbars and great Yakima MegaWarrior or LoadWarrior Cargo Baskets Lockable skewer keeps your bike safe and sound (Yakima SKS Lock Cores sold separately) Love it 'Till You Leave It Limited Lifetime Warranty.