The bontrager co2 air rush road pump the convenience of co2 with the ever ready capabilities of a mini pump the air rush road combines safe controlled co2 inflation with the back up security of a telescoping pump at just 68g the air rush39s compact design easily fits in a jersey pocket or seat pack bontrager co2 air rush road pump features 2 in 1 design combines co2 inflator and mini pump the ultra compact size easily fits in a jersey pocket or seat pack the regul