Hey cyclists, protect your bike's cranks with these awesome silicone boot protectors! This 2-set package gives you everything you need to shield your crank arms from scratches, dents, and general wear and tear. Made from flexible silicone that's rust-resistant and super durable, these protectors slide right onto your crank arms for instant protection. They come in two sizes (about 4.8cm and 4.3cm long) to fit most standard cranks with a 3cm installation width. Super easy to install - just slip them on and you're good to go! Perfect for mountain bikes, road bicycles, basically any bike you ride. The black color looks sleek and doesn't stand out. Best part? They're lightweight and portable, so you can even carry spares on your rides. Whether you're dealing with rocky trails, urban obstacles, or just want to keep your bike looking fresh, these protectors are a must-have. Super affordable protection for your valuable bike components!