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Whilst one still gets oil on ones tweeds, regardless of modernity, oh why bother, I'm off for a Pimms....
hamster":1s3mpv91 said:The advantage with 29ers is that:
1 The larger diameter means that an obstacle is more easily climbed over, so less likely to stop you - think about the non-existent bump climbing ability of a skate scooter compared to a 26" wheel.
2 The longer contact patch gives lower rolling resistance and better adhesion (like tractor tyres)
I think all the angular momentum stuff is a distraction and mumbo jumbo compared to the more basic physics at play.
Much of the weight bloat has also happened to 26" bikes as the new CE spec effectively forces overbuilt frames.
legrandefromage":1s3mpv91 said:so, should I just put big tyres my racer?
Well wider like 23c are faster than narrower due to the better contact patch, so in theory yes! The problem with fat tyres is that many do not have such efficient carcasses and so benefits are lost in the thick rubber tread and sidewalls.legrandefromage":1j0ri9u3 said:so, should I just put big tyres my racer?
jimo746":3oif69st said:In the real world a modern bike is indeed quicker than a retro bike over the same course.