Many cars have an Achilles' heel: an issue that can come without warning and can strand the vehicle. For C2s and C3 Corvettes, it's the rear wheel bearings. For C5s and C6s, the automatic shift cable ...

If the gears on your bike slip when you’re pedalling, or if they can’t shift into certain gears, they may need adjusting. Gear cables can stretch over time and derailleurs can be knocked out of ...