This is a folding stand made by TOPEAK. It's a portable stand that attaches to the crank arm. I've used it a few times, but it's not very stable, so it's best used temporarily. - Brand: TOPEAK - Included: Storage pouch - Design: Folding - Function: Stand function Thank you for looking. Below is the description from Amazon. Color: Silver Brand: TOPEAK Product Dimensions: 47 mm width Mounting Type: Crank Mount Load Capacity: 14 kg Orientation: Front Crank Mount Method: Portable stand for road bikes that attaches to the crank Self-Supporting Function: Allows the bicycle to stand on its own without a kickstand Compatible Cranks: Can be attached to the left crank with dimensions less than 41 x 16mm at a position 80mm from the crank tip Lightweight and Durable: Aluminum alloy/polymer body supports a maximum load of 14kg and weighs only 196g Compact and Convenient: Folded size L160 x W47 x H23mm, includes a carrying bag, and is L160 x W180 x H130mm when in use #RoadBike #PistBike