Features:Double screws fixed, for ideal for most bicycle racksEasy to install, more stable embracing frame bodyThe kettle rack is made of premium aluminum alloy and then colored by vacuum .UV plating. The whole water bottle is clear and dazzling.Ultralight,easy To Install,scratch and abrasion resistance,wide Applicability. Specifications:Brand: PROMEND Color: for Titanium Blue/for Titanium/Black Weight: About 38g Product Size: About 150x85x75mm Material: Aluminum Alloy Note:Please allow 0-1cm error due to manual measurement. Make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes:1 Pcs Bicycle Water Bottle Cage.