With this durable extender, you can install a bike front flashlight in your bicycle's computer mount. Very convenient to use, when you cycling, it helps you to light the road. Great bike accessory for you. Feature: Made of good quality plastic material, sturdy, durable and lightweight. Can offer stable connection between flashlight and bike computer mount. Firmly fixes on the mount, not prone to slide, shake or wobble. Easy to install and disassemble. Suitable for Gaciron, and for LUMINA. Spezifikations:Material: Plastic Color: Black Options: for Gaciron; for LUMINA Size: approx. for Gaciron: 4.5 x 2.5 x 2cm / 1.8 x 1 x 0.8inch for LUMINA: 6 x 2.3 x 2.3cm / 2.4 x 0.9 x 0.9inch Weight: approx. 7-8g Package Included: 1 x Adapter