Bicycle accessories are items that enhance your riding experience and improve safety. Common accessories include helmets for protection, lights for visibility during night rides, and locks to secure your bike when parked. Other useful items are water bottles to stay hydrated and panniers for carrying belongings. In addition to safety and convenience, accessories can also add comfort and style to your bike. Saddles can be upgraded for better support, while handlebar grips can improve your hold. You can also personalize your ride with stickers or colorful accessories that reflect your personality, making each ride enjoyable and unique.