This is the Scorpion Bike Stand, a motocross-style work stand that uses your crank’s hollow axle to support your bike.
It’s great for a wide variety of maintenance, cleaning and adjustment tasks and makes a good stand for your garage, lounge room or at the trails. Using the Scorpion Bike Stand is fairly straightforward— simply lift your bike and slide the hollow crank axle onto stand’s spindle. Suits the majority of mountain cranks use large-diameter hollow axles like current SRAM and Shimano cranksets,
They also come in variety off colors to match your favorite ride. Call past the shop and check them out