Mountain bikers, these cable guides are exactly what you need to clean up your bike's look and keep everything running smooth! You get 4 sets total, which is perfect for handling all your brake and shift cables without needing to buy more. The plastic construction is durable but flexible, and they're designed specifically for 4.0-5.5mm housing or disc brake hoses. Installation is super simple - just clean your frame where you're attaching them, snap them into place with the zip ties, and let them set for about 24 hours before riding. They hold everything securely in place so your cables don't bounce around or get snagged on branches when you're tearing through trails. The black color blends in nicely with most bike frames and doesn't stand out like some brighter colors might. What's really great is how they keep your cables organized and protected from wear and tear. No more rattling cables or messy-looking setups - these guides give your bike that pro-level finished appearance. Whether you're building up a new bike or just doing some maintenance on your current ride, these little guides make a bigger difference than you might expect. Seriously, for the price, they're one of the simplest upgrades that actually improves both function and aesthetics.