Fluoro Polymer Technology protects the frame and repels atmospheric pollutants

it can also last up to 3x longer than competitors

or top of your stem if you are not running any spacers above your stem

along with additional weight-saving materials and treatments

TCS compatible (Tubeless)

Maxxis Flyweight Tube - Schrader Valve - 1.9-2.125 Inch - 26 Inch Virtual Parent Fluoro Polymer Technology protects theThe Flyweight tubes are for the lightest offerings from Maxxis. For XC riders and anyone else looking for the lighest setup possible. Who's this item for: These are for the weight weenies looking for every advantage on their XC race machine and are willing to sacrifice protection over weight savings. Removable valve core: Yes, the valve cores are removable. Tube wall thickness: 0. 45mm Weight: 26 x 1. 9 2. 125: 96g 27. 5 x 1. 9 2. 125: 110g 29 x 1. 9