Limitations to training on singlespeed?

BTW, 'triathlonwho?' sounds like he's speculating his tits off, in a fairly misinformed manner. I think his point boils down to: it's not safe for triathlonwho? to ride fixed in a group.

I'm one of a few riders on here who's topped 200rpm on the road. Generally I'd try to keep the max revs at more like 175-180rpm, so 35mph is not a problem in a medium gear - and 15% climbs are do-able, often at the speed of weaker geared riders, if not a little faster. With practice, the high cadence descents don't feel particularly twitchy; and I've taken far greater risks with a freewheel :O

One thing I've learned though, is that you burn a lot of extra calories on long shallow descents/flat-with-tailwind sections, so if the ride's more than about 3 hours, the risk of bonking is greater for a fixed rider if only eating when geared riders eat. You've got to squirrel away extra fuel.

Got some good varied cadence in this evening on an extend route home with this strong wind. a couple of 30 mph short bursts on a dual carriage way with the tail wind (Fuck knows how you get up to 35 mph BMMF) and some relatively minor hills felt like mountains with a head wind adding to the gradient.