Understanding Bike Gears: How Many Speeds Do You Really Need?
You’re shopping for a bike and the listings say things like “21-speed,” “18-speed,” “single-speed,” or “11-speed.” And you’re thinking: what does that even mean? Is more better? Do I really need 27 gears? Will I actually use them all? What’s the difference between 7 speeds and 21 speeds? Here’s the frustrating part: the bike industry …
