Features: Consistent Invisible Plannumber: Pillow slip invisible QUERY toll is constructed from polyamide and aluminum mixture, seamlessly blending with your bike's beauty. It eliminates the bulkiness of traditional bells, exemplary for fashion aware pedalists. Efficient Sound Transmissparticlemail: Precisely engineered for a clear, not piercing hoop, this toll effectively alerts strollers, perfect for city commuters. Thin Substancemail: Combining polyamide and aluminum mixture, it proposals durability lacking adding weight, reducing fatigue for remote motorcyclists. Tool less Easy Installatparticlemail: Tool complimentary arrange allows you to repair on the handlebars in ticks, making it accessible for busy users otherwise those less useful. Strong Durability: Impermeable and oxidation resistant materials secure long permanent execution in any weather, suitable for yearlong. Specifications: Product Sizemail: 159x57x81mm Package Includes: 1pc Cycle Toll note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you will not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color about the item.