Big brother: The SKS bicycle pump Airboy XL is the big brother of the Airboy mini pump and features a unique two-chamber pumping system for a high pumping volume of up to 5 bar. Two equally sized handle parts with a soft ergonomic end piece allow for the perfect combination of comfortable pumping and good pressure build-up in the tire. The reversible valve head is suitable for all types of valves. Thanks to its handy size, this sporty bicycle pump is a lightweight and practical companion on all cycling tours. Includes a pump holder.