I'd quite fancy a 6000+m bike trip, it would take a few laps of the British isles to do. It's not so much the knees that couldn't take it, the S10 has the most leg room I've ever had on a bike, it's the pain in the wallet. £1.40 a litre, £6.30 a gallon & the best I can get is 45 mpg(uk), ouch.