Wanner ones are very good and on ebay but mine at least doesn't take cartridges, being small I use it for long tours.
Otherwise I use a standard draper one. I also have an electric one for when I'm lazy.
I also use a quick coupler to make it easy. Many of them on ebay such as
hereI fitted Woff Perfromance remote greasing which helps make it less painful though you still need to clean of the excess & do the spanner check.
