This topeak folding x tool should be on your person every time you leave the house on your bike it39s got 10 tools to help you out when you get in a sticky situation and easily solves the problem topeak have made this tough enough for trail use as well as being light and small so you don39t even notice that you are carrying the bike multi tool whether you39re heading out for a full days ride out on the trails or just a couple hours of mucking around then you should always make sure