The advantages and disadvantaage of different types of shifters

Shifters come in different types, but they all do the same job. When you move them one way, they pull precise amounts of gear cable to move your chain across your cassette. When you move them the other way, they release a precise amount of cable, allowing the spring in the derailleur to move the chain the opposite way across your cassette.

There are three main types: twistshifters rotate around the handlebars, while triggershifters have two separate levers, one to pull cable and one to release. STi levers on road bikes combine the shifters with the brake levers. Both twistshifters and triggershifters have loyal fans because, in practice, they both work fine. In situations where your grip is likely to get very slippery, triggershifters have a slight advantage, but twistshifters are less vulnerable to damage in a crash because they don’t have any protruding levers. Twistshifters also have fewer moving parts, so they are a little more reliable and can be taken apart and serviced. The internals of triggershifters consist of lots of tiny parts, which were originally assembled by a huge triggershifter-making machine, and are too fiddly to fit by hand.…

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