nooo. I ride green route, gone back to a mod with a bash plate after a year on a streety 24, and doing shite in comps. Its uci rules, but only after red route does tyres only apply. i meant I learnt how to hold it on the bash to get to the next bit, and also learnt endo drop offs/ pivot drop offs. and I 180'd across a gap off a nice ledge yesterday with dez