Product Dimensions:20 x 2.6 x 15 cm; 110 Grams Batteries:1 Lithium Ion batteries required. (included) Position:Front Item Weight:110 g Delivery information::We cannot deliver certain products outside mainland UK ( Details). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout. Easy to install or disassemble About this item More Safe & More FashionWhen riding in the dark, this bicycle wheel light can increase the field of vision and avoid injury. The perfect way to increase visibility, safety and cooling factor when riding in the dark. Three Modes to Choose Fromflashing fast, flashing slowly, and always on. You can change at will, stylish bicycle decoration! Switch design, car lights can be quickly lit. Increase the safety of driving at night. Easy to Install or DisassembleIt can be completed without using any tools, without changing the wire, directly installed on the steel wire of the wheel, with strong elongation and fixed for many times. Good StabilityIt must be firmly fixed even in off-road use, and the up and down placement of the spoke lights can maintain a balance, even if the number is better. Ensure that the bicycle has a good balance and is suitable for most bicycles, such as children's bicycles, road bicycles, mountain bikes, etc. Good Waterproof EffectExcellent waterproof performance, no matter if it is rainy or foggy, you don't have to worry about driving on rainy days, it will not affect the normal use of the bulb, and the brightness is still very bright. See more product details More Safe & More FashionWhen riding in the dark, this bicycle wheel light can increase the field of vision and avoid injury. The perfect way to increase visibility, safety and cooling factor when riding in the dark. Three Modes to Choose Fromflashing fast, flashing slowly, and always on. You can change at will, stylish bicycle decoration! Switch design, car lights can be quickly lit. Increase the safety of driving at night. Easy to Install or DisassembleIt can be completed without using any tools, without changing the wire, directly installed on the steel wire of the wheel, with strong elongation and fixed for many times. Good StabilityIt must be firmly fixed even in off-road use, and the up and down placement of the spoke lights can maintain a balance, even if the number is better. Ensure that the bicycle has a good balance and is suitable for most bicycles, such as children's bicycles, road bicycles, mountain bikes, etc. Good Waterproof EffectExcellent waterproof performance, no matter if it is rainy or foggy, you don't have to worry about driving on rainy days, it will not affect the normal use of the bulb, and the brightness is still very bright.