Titanium screws are optional parts, need to be bought separately.
8G bottle cage must use sunken nuts. Normal screws will scratch the bottle.
Stronger and flater tail hook to hold the bottle firmer.

Warning:
Do not press the cage when it is empty, bottle inside will support the cage better.
Use standard size bottle to avoid over extrusion. 74mm or under bottle is recommended.
Do not fetch the bottle brutally.

NOTE:This product is suitable for weight reduction on bicycles. If you need a high-strength water bottle cage, please choose an alloy material.