Your race mechanic on the go. The big switch ratchet tool takes the same simple necessities from the popular switch and big switch and adds a convenient, ratcheting handle for even quicker, hassle-free adjustments. Extra-long 2.5 through 8mm allen bits take care of business, along with t25 and t30 torx, the renowned wayside chainbreaker, 0, 1, and 2 spoke wrenches, a disc-pad spreader, flathead, and a presta valve core tool.