?This bottle holder rack mount is solid and durable£¬ mounts to 30.9mm or 31.6mm seat post or 31.8mm handlebars via hinged mounting bracket.<br>?<br><strong>Features:</strong><br>Made of AL 7075 CNC£¬ good finish and solid£¬ lightweight and durable.<br>Mounts to 30.9mm or 31.6mm seat post or 31.8mm handlebars via hinged mounting bracket.?<br>Bracket turns 90 degrees to suit mounting position.?<br>Complete with bolts.?<br><br><strong>Specifications:</strong><br>Material: Aluminum alloy 7075 CNC<br>Color: Black / Blue / Red / Titanium / Golden (optional)<br>Size: 7.9 * 7 * 1.5cm / 3.1 * 2.8 * 0.6in<br>Weight: 43g / 1.52oz<br>Package size: 9.5 * 8 * 1.5cm / 3.7 * 3.1 * 0.6in<br>Package weight: 46g / 1.64oz<br><br><strong>Package List:</strong><br>1 * Water Bottle Holder Rack Mount<br><br><strong>Note:</strong><br>Item color displayed in photos may be showing slight difference on your computer monitor since monitors are not calibrated same.