Ainiv Bike Water Bottle Holder\n-The Bicycle Bottle Cage can hold water bottle securely while riding.\n-Durable and high quality, is made of newly improved high-strength material.\n-Easy access to a water bottle and stay enough hydrated while riding.\n- Ideal for road bikes, mountain bikes and most bicycles.\nSpecification:\nMaterial: PC\nColor: Black + Black Red\nSize: 13.5cm x 8cm x 8cm\nWeight: 95g\nPacking List:\n2 x Bicycle Bottle Cage\n4 x Screws \n1 x Wrench\nNotes:\n1. Please check your frame for threaded holes (for mountain bike bottle cages) before buying.\n2. Don't cratch the bottle holder with objects.\n3.Don't break the bottle cage with force.\n4. Due to manual measurement, there is an error in the product size, please understand.\n--\u3010QUICK & EASY TO OPERATE\u3011It's quick and easy to remove or instal, we'll give you 4 screws and 1 wrench, you can fasten the screws to the bike rack with a simple tool in a short time.\n--\u3010FLEXIBLE DESIGN\u3011When you have.