The Xair pump features everything you expect to find on higher priced models

Velcro wrist opening

It still has a fully sealed and ultra smooth bearing system with cartridge bearings and DU bushings in each pedal

Gauge location: Middle mounted to make it easier to read

Concave pin profile

Maxxis Flyweight Tube - 60mm Presta Removable Valve Core - 1.9-2.125 Inch - 26 Inch Images Uploaded - Ready for Review The Xair pump features everythingThe 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