The ALiEN X from Topeak is an ingenious pro-quality folding tool with no less than 34 functions. Among other things, it has T10/T15/T20/T25/T30 Torx tools and a chain lock tool for activity on single and multi-speed chains with chain locks. Its two-piece design facilitates convenient access to all tools and the highlight: it extends the lever while wrenching. Tool tension is adjustable, including robust nylon pouch.