2 x Pack Includes - Pack of 2 Howeet Universal Bicycle Bottle Holders, 1 Allen Key, 4 Allen Head Screws , 4 Washers. The screws are standard size for water bottle mounts to most of bikes with DRILLED HOLES, and washers are suggested for tight fixing.
High Quality - The bicycle water bottle holder uses high-quality 6061-T6 heat-treated aluminum alloy, not rust but lightweight and compact, strong load-bearing, does not affect the riding posture.
Secure & Stable - The water bottle cage has arms that wrap around the bottle for a secure and firm hold so you don't have to worry about it falling out during your ride, whether you're out riding fast on roads or bumpy trails.
Easy Installation - Use a 4mm allen key (included) to fasten cages in screw holes on frame. PLEASE NOTE - bike frame requires threaded holes for installation of cages. Therefore, you can mount your bike cup holder quickly and easily.
Water Bottles Fit 23/24/25/26/27/28 OZ water bottles can fit snugly, other bottles like 30 oz, If the bottle is tall, then yes. accurately, it is decided on the bottle diameter, min bottle diameter is 2.75inch(68.9mm), max bottle diameter is 3inch(76.2mm). The cage designed to flex enough to insert and hold standard water bottle securely, you can collapse to snug up bottle.
