The lezyne sv5 is a must have essential on the trails you never know when you will need to make a quick adjustment on your bike to get it performing the way you want it to the trail bike tool is small and compact so it can fit into any small space even if that is in the bottom of you bag to be forgotten about until you need it the bike multi tool is a low profile tool that is made from lightweight and durable materials that can handle the rough and readiness of the mountain bike trails and t