Ice Crackle Finish Bike Water Bottle Holder and Adapter Combo - Black Universal Bottle Cage Mount Kit Adjustable No Drill Bracket for Road Mountain Hybrid Bicycles

18-30 oz Bottle Fit: Holds 18-30 oz or 550-800ml bottles perfectly (for / / / Tacx and more) Wide Compatibility: Adjustable mount fits diameters from 19-22mm and 30.8-33mm for road, hybrid, gravel, and mountain bikes All-Terrain Security Hold: Flexible aluminum design prevents drops on bumpy paths or off-road trails Handlebar or Seatpost Mounting: Can be installed horizontally or vertically on handlebar or seatpost for convenience Rustproof Aluminum Build: Corrosion-resistant aluminum alloy withstands daily commutes, mountain trails, and weather extremes