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This is a normal post Yes,
because just fuck weight/pressure/terrain adjustability.
(, Tue 6 Nov 2012, 14:35, , Reply)
This is a normal post Yeah
Is it a dual compound tyre, so the outer is one material while the actual tread is a more suitable type of rubber, for starters.

Most of the grip from tyres comes from the knobbles actually coming in to contact with the ground as the tyre rolls, so if it's all a fairly rigid plastic, you're just rolling over terrain with the central tread, leaving very little for cornering.

It's certainly an interesting idea, but I can't see any way to adjust it. In the end, Cross country riders prefer slightly firmer tyres for traction and climbing, while downhill riders will run lower pressures to maximise grip at speed. Unless they built these tyres with different amounts of flexibility it might work, but then you'd end up with a stack of the damn things for every occasion.

Nice idea, too much to go wrong really, and really overthinking a simple solution.
(, Tue 6 Nov 2012, 15:04, , Reply)
This is a normal post I had a bike once.
Maybe there it makes more sense.

www.youtube.com/watch?v=pcdmH_hVWBY

Hahaha,

www.youtube.com/watch?v=A3G_u-rNRU4

Looks it's going to hit mass market soon.
(, Tue 6 Nov 2012, 15:59, , Reply)
This is a normal post actually
The knobbly bits are for water dispersion, to stop you aquaplaning. the actual area of rubber contacting the road is irrelevant to grip.

(grand prix cars have big wide tyres to spread the heat created by energy lost to friction, stops them melting. They could get the same grip from a narrow tyre, but the tyres would just vapourise.)
(, Tue 6 Nov 2012, 17:23, , Reply)
This is a normal post Err... Are you trolling here, or do you genuinely not understand traction and friction?

(, Tue 6 Nov 2012, 18:59, , Reply)