The Topeak Hexus X Multi Tool is an award winning, 21 function multi-tool, with plenty of gadgets for your bike, to help make adjustments whilst you\\\'re out and about. Featuring an updated design to help store T15, T25, 8mm hex tool bits and side mounted tire levers securely. Additionally, it includes a self-tightening tool (T25 Torx® bit) and Presta Core Tool to tighten or remove two-piece Presta valve cores. This multi-tool makes an excellent choice for both road and mountain bike riders with newer models.