Ahh the good old low tech days- BMW's used to have a handpump fitted under the frame tubes and held in place at each end by the same method as push bikes.
I'm looking to buy a new air compressor - must be compact but powerfull. I like the look of the Slime pump but with no integral guage you have to guess tyre pressures and then test with a seperate guage. Michelin do a compact one to but have a bad reputation for valve fitment.
Anyone got a recommended compressor thats compact but powerful enough to inflate a GS's tyre without draining the battery flat?