Color: Red,black Material: Metal+Plastic Size: As the picture show [Conversion: 1cm=0.3937 inch, 1inch=2.54 cm] Compatible for Garmin Edge GPS Computer&GoPro Hero Camera & Bike Head Light,Bryton,CATEYE bike Computer Features: -The multi-function bicycle stem bracket can hold for GoPro action camera,for Garmin Edge GPS computers and Bicycle head light. -Fits all Garmin Edge GPS computer series 25 200 500 510 520 800 810 1000. -Fits Bryton:20,30,210,100,310,330,530 -Fits IGPSPORT:20,20P,60 -Fits Cateye:CC-GL10,CC-GL50,CC-PD100,CC-MC200W,CC-PA100W,CC-COM10W,CC-VT210W,CC-RD300W,CC-RD310W,CC-RD400W,CC-RD410W,CC-RD420W,CC-RD430W -Compatible with any action cameras that uses a for GoPro mount bracket. -The elastic head light clamp can hold most type of flash lights. -Made of aluminum alloy, Strong And Light. -Supplied with replacement bolts and spacers. Please Note: it only compatible with the bicycle stems with M5 bolts, please double check before make the purchase. Package Included: 1* Bike Stem mount bracket 1* For Bryton Rider computer adaptor 1* For Garmin Edge computer adaptor 1* For CatEye computer adaptor 2* Long screw 1* Head Light Clamp and band Note: -Due to different producing batches, product details might be a little different. If you minding the difference, please buy it carefully. -Please allow 1-3CM differs due to manual measurement. -Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding.