Videos for each type. First, you need to know what type of crank you have. Here’s how to identify it: Three-piece cranks () Two-piece cranks () One-piece cranks () .
How Shifting Works
Let’s learn about gears, shifting, and derailleurs. Front derailleur How it works How to adjust it Troubleshooting tips Rear derailleur How it works How to adjust it Troubleshooting tips .