HOD HEALTH AND HOME Australia has been operating online and instore for 8 years. All products come with a 1 year warranty, fast shipping and special offers added to our site daily.. Features: 1.28.6Mm Calibre Suitable For Frames With 28.6Mm Tube. 2. Vehicles Commonly Used For Dead Flying Cars And Some Cars With Iron And Steel Frames (The Corresponding Seat Tube Is 25.4Mm). 3. Applicable To: Mountain Bikes Bicycles Trolleys Balance Cars Dead Cars. Specification: Material: Aluminum Alloy Colour: Black Type: 28.6Mm(1.1In); 30Mm(1.2In) Size: 45X35x15mm/1.8X1.4X0.6In Net Weight: (28.6Mm) 23G; (30Mm) 23G Gross Weight: (28.6Mm) 23G; (30Mm) 23G Includes: 1 X Bike Tube Clip Notes: 1. Please Allow Slight Chromatic Aberration In The Photo 2. Due To Manual Measurement The Size May Deviate<