COMPATIBILITY: Transform any hitch bike rack into a powerhouse that fits it all - from step-through frames to full-suspension bikes. No more struggles mounting unique bike designs (Not intended for e-bikes) QUICK & TOOL-FREE SETUP: Skip the hassle of complex installations. This crossbar adapter clicks into place in seconds, getting you and your bicycle accessories on the road faster than ever FRAME-FRIENDLY DESIGN: Protective coating on every hook keeps your bike's finish flawless. Whether you're hauling road bikes or beach cruisers, your frame stays scratch-free mile after mile ADJUSTABLE FIT MAGIC: Handles any bike with 18"-28" stem-to-seat measurements. The built-in spring tension system locks your ride securely, ready for every car bike rack adventure ahead TRAVEL-READY STRENGTH: Built tough to support bikes up to 45 pounds, this truck bike rack adapter keeps your wheels steady. Perfect for weekend warriors and daily riders alike