The Boa is a short-tray bike mount that fits a wider range of crossbar spreads (32 to 50 inches). It has a rotating wheel tray and a sleek fork block with Yakima's Locking Long-Throw Skewer, which clears most fork safety tabs.
Thule's Sidearm is perfect for bikes with non-traditional frame designs or unique fork/hub interfaces because it holds bikes by the wheels only. For fast and easy loading, Thule's ratcheting SecureHook clamps the front wheel, while a ratcheting strap secures the rear. The Sidearm accepts most bicycles including those with 29-inch wheels. This fine bike mount fits on square and round crossbars (sold separately).
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