Incredibly Extra Space - Extended tube length of 11.8 inches (30 cm) allows for additional item assembly, including lights, bicycle computers, phone holders, and bell holders. High Compatibility - Designed to fit handlebars with a diameter of 20mm to 32mm. Use included spacers for a secure fit. Secure Installation - Features thick rubber strap gaskets on the inside of the rig to ensure a strong and secure hold on your handlebars. Prevents sliding and scratching. Lightweight and Durable Materials - Constructed from aluminum alloy, the extension bar weighs only 1.8 oz, and the bracket weighs just 1.2 oz, providing strength without added weight. Quick Installation - Easy to install with an Allen key wrench; setup takes just 5 minutes. Practical Use Scenarios - Perfect for cyclists needing to attach extra accessories for longer rides. - Ideal for urban commuters who want to mount a phone holder for navigation. - Great for recreational riders looking to add a bell for safety without sacrificing handlebar space.