5 Performance-Killing Bicycle Repairs Only an Expert Mechanic Can Spot

Bicycle repairs seem to always come in two flavors: the kind that you can easily “DIY” fix yourself, perhaps even on the side of the road (or down a mountain path) if necessary… and the kind that really require an expert. Most novice cyclists can do things like clean and replace a chain, keep the tires properly inflated, or tighten up the odd nut or bolt. However, there are some bicycle repairs that should generally be handled by an expert, either because they’re tricky to get just right or because they require specialized tools and/or equipment that not even dyed-in-the-wool cycling enthusiasts would have at home. Furthermore, some of these expert-level repairs [...]