The Bontrager Air Rush Road Mini Pump/CO2 Inflator with a 2-in-1 design which combines CO2 inflator and mini pump. Ultra-compact size easily fits in a jersey pocket or seat pack. Regulator provides safe, controlled operation. Reusable cartridge insulator to protect hands included. Telescoping pump design inflates tires in a pinch. Robust aluminium construction. Super light at 68g. Includes 2x 16g cartridges and mounting bracket.