
Including the smallest screws and ball bearings, the average car has about 20,000 parts. The average bike has about 300. With such a small number of parts, each individual component on your bike plays a much larger role in determining the performance of an already-efficient machine. As a result, even inexpensive upgrades can make a huge difference when it comes to grinding your way up the local hill or beating out your buddies in a county-line sprint. Now take that baseball card out of your spokes and read on for six other ways to get more out of your road bike.
It’s All About Data: Power Meter

The best way to get more out of your road bike is to get more out of the engine powering it. And the best way to get more out of your training is to track power output. Put simply, power (measured in Watts) is the most objective way of expressing how much effort you’re exerting; that information can be used to dial in precise exertion for targeted training or to make sure you don’t tire yourself out at the wrong time on a ride. There are a ton of power meters on the market — some measure power at the pedals, some at the crank and others at the hub of the back wheel — but they’ll all help you when it comes to getting faster.