NO screws "Best Service: → Ready stock ! → About 6-14 days Arrive your address ! → 100% Satisfaction Guarantee And Premium Quality Guarantee! Any problems when you get the package,just contact us ,promise free resend or refund ! Features: This is for a Brand New Bicycle Frame-mounted Water Bottle Cage with adjustable diameter for multiple bottle sizes. Hold your bottle securely, no matter how rough the ride gets. This water bottle cage adjusts to fit a wide range of bottles and hold them more securely. New shape holds bottles more securely. Engineering-grade polycarbonate plastic construction for durability. Specification: Adjustable base fits bottles 45 to 86mm diameter Flexible, heavy-duty polycarbonate construction Color:Black/blue/red/white Weight:50g bottle holder Package Include:1 x Water Bottle holder water bottle capacity:750ml Note: Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand. Please allow 1-5mm differences due to manual measurement.