Glow Spokes Made with 3m Reflective Paint Fits Standard Bicycle Spokes 360 reflective safety to your wheelchair or bicycle. Each reflector weighs only 1 gram (0.03oz) and is approximately 2.75 inches long, and will not add to wheel wobble Fits Standard Spokes up to 2mm diameter. Stays put on spokes (wont slide up and down). 36 Glow Spokes per package - now with no paper tape to remove!