The topeak prepstand max mechanic stand is a lightweight folding stand that39s ideal for home use it features hard rubber jaws that will hold the bottom bracket securely and a front wheel hook adds stability when working on the bike this prepstand is suitable for all types of frames with adjustable down tube hook and is also easy to open fold and store away features clamp head hard rubber jaws clamp height 80cm 108cm clamp opening attaches to the bottom bracket fold