It emits a piercing 140 decibel sound which is enough to alert drivers of lorries, vans, buses, cars and 'in-a-world-of-their-own' pedestrians. Compatible with all styles of bikes, including road bikes, it gives cyclists a way of letting all other road users know where they are and makes cycling much safer.

It emits a piercing sound of 140 decibels, which is enough to alert trucks, vans, buses, cars and even other pedestrians. Even in a busy city, it can easily attract the attention of other road users. HORNIT saddles are compatible with most bicycle styles on the market, letting all other road users know where they are, making cycling safer. Two alarm modes: downtown mode (up to 140 decibels), outdoor mode (bass frequencies) The patented Hornit dB140 is the loudest bicycle horn on the market, allowing cyclists to take control of their own safety. It's small, stylish and allows cyclists to alert distracted drivers and pedestrians to their presence.