Update - My SIRACs are slowly giving up the ghost (1.5mm left)
Spent ages trawling the forums for a 50/50 tyre that can take the commute miles and be decent off-road.
Result - Heidenau K60. Everyone seems to love them, off road capability allegedly equal to TKCs and they last 7,000+ miles:
Ordered a pair from
www.moto-tyres.co.uk for �105 including postage.
Will try to stick them on maybe this week-end or next. My first tubed tyre change, so I'm expecting a struggle