Yep, we have experience with the Bikers Dream... definately NOT a dream.
As Fuzzy Duck wrote: "looks a bit flimsy as it's made of heavy duty plastic", well... it IS flimsy !
Before leaving on our 7 months trip, I spent a few hours wrapping the main body and other flimsy-looking areas of the pump in softish rubber, tightened with zipties. The pump worked well, and got a nice --protected-by-other-soft-things-- place in our aluminium panniers.
After some two months and a few rough roads, we wanted to use it for adding some air in our tyres (not a puncture, luckily !). We were in Skardu, Northern Pakistan by then. And what I already suspected at home had happened: there was a tiny crack right where the tube comes out of the main body, making the pump completely useless. (we gave it to a local guy explaining the problem - maybe he managed to use some of it in the end)
The problem with the thing is exactly that: hard plastic and motorbiking does NOT go well together. It might serve for a smooth tour on smooth tarmac, but it's not worth the price, nor can it be relied on.
(besides: the nanometre is crap too - take a good solid item - VERY best one is the tiny bakelite nanometre from Michelin --comes in protective soft-plastic box--, but costs some 50-60 euros)
Solution (on this trip at least): we bought a metal, foldable footpump in Gilgit a few days later. Chinese, but solid, and available in most countries. Works perfect. However it's twice the size of the BD.
The compressor Kevin shows looks like a good alternative too.
And there's one more device that no-one has mentioned so far: the "pump tube" that screws into your sparkplug hole and works on your engine. We used this on a trip with BMWs, but you need a more-then-one cilynder for it (reason why we couldn't take it this time on the DRs). You take out one sparkplug and screw the tube into it. You put the sparkplug back into it's socket (?) and make sure it stays in touch with the mass of the bike - IMPORTANT not to ruin your bike's electrics ! Then you start the engine (making it run on one-less-cilynder) and out comes the compressed air, as much and as long as you need !
Trouble is... I can't recall where I bought the thing. Gericke/Louis/Wunderlich/???
Maybe someone else knows where ?
Happy pumping !
Iris and Trui
2 belgian women, often travelling on motorbikes (now on DR650SE's)
2nd overland from home to Northern India and back, April-October 2002