A bike stand from Feedback Sports. Nobody knows why your bike has a hollow crank spindle, but it does. Why not make the most of that space and use it to store and work on your bike? The Scorpion is compatible with 13, 18 and 20mm hollow crank spindles on either side of the bike. The design elevates the rear wheel and lends itself to lite bike maintenance, like chain lubrication and frame cleaning. When not being used it can be disassembled to a flat, compact, portable or stow-able footprint until its needed again. Awesome bike storage for garages, sheds, apartments, events or retail bike displays Motocross inspired design Versatile design allows for bike parking with 13, 18, or 20mm open cranks System fits road bike, cyclocross bike, mountain bike, and electric bike crank designs Design elevates the rear wheel and stabilizes the bike Construction prevents contact with painted surfaces or delicate components Innovative design folds to a compact unit when not in use Durable powder coate