The Thule VeloCompact is their best selling towball carrier and the industry benchmark for compact and lightweight bike carriers perfect for every day use. It is the ideal choice for a range of bike styles, including road bikes, ebikes or mountain bikes. Even when the bikes are loaded you still have access to the trunk. Also, with the Thule VeloCompact 4th Bike Adapter (sold separately) the bike rack can be extended to carry 4 bikes. This compact everyday bike rack can also be folded and becomes small enough to store in the trunk of most cars.The Thule VeloCompact 926 3-bike uses Thule's Hercules tow ball coupling, increasing the rack's load capacity and allowing it to be expanded to take up to 4 bikes (Requires adaptor TH926101), one of the few racks to safely do soThe new clamp 'hangs' the carrier on the hitch before tightening allowing easy adjustment of the carrier before closing the clamp to fix it in positionEasy mounting of bikes through detachable bike armsAdapts to bikes with