Sporting Goods, Fitness and Recreation Equipment Design Shoka Bell Smart Bicycle Accessory by Maform Shoka Bell is the ultimate biking accessory. It is a light, a bell, a navigation device and theft protection integrated into one device. Use your smarphone to set up navigation and check out route directions on the top screen. Use the joystick to generate special, customizable bell sounds. See and be seen with the integrated front lights. Get notifications when you're bike is moved and you're not around.