The bike shift tension adjuster is for cyclists who demand precision and reliability. This adjuster is compatible with a wide range of bikes, including and electric bicycles. By installing it on your bike's derailleur or brake cables, you can effortlessly fine-tune the tension, ensuring smooth shifting and braking performance during your rides. Features -Color:Blue -Material:Aluminium alloy -Size:3.00X0.90X0.90cm/1.18X0.35X0.35in -Diameter:6mm -Durable material: made from aluminum alloy, this adjuster is designed to be both lightweight and durable, providing longterm reliability -Adjustable design: the midsection adjustment feature allows for easy and precise finetuning, enhancing your overall cycling experience -Multibike use: suitable for various types of bikes including road bikes and folding bikes, offering extensive compatibility -Simple installation: easy to install without the need for professional tools, making it convenient for users to handle the setup themselves -Precision engineering: the highprecision adjustment screw allows for exact tuning of both gear shifting and braking, ensuring optimal bike performance Package list: 1 x bike adjustment screw