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changing it to 65mm which is a weird non depth.
It's not a non-depth. I found loads of road bikes offered with rims of 62,64 or 65mm as stock, but only one with deeper (DuraAce C75s on a Pinarello)
I don't get the discussion of "BC legal"; these are CTT races, so what BC get up to is irrelevant.
CTT already had an arbitrary rule for front wheels, I don't get (beyond understanding too well that the CTT board don't have two brain cells to rub together between them) why they didn't just extend that to rear wheels.
Banning HED3s (or other CTT legal baton-style front wheels) from the road bike class is purely an aesthetic rule, not a sporting one. Nobody who is in it to win it will use them anyway.
Wheel rule order of preference:
- Any 45% open wheel
- Any wire-spoked 45% open wheel
- Xav's rules, which are pretty close to 2 anyway and simpler to arbitrate on the start line
- ... er
- That's it.
- Any 45% open wheel
gbj_tester
The 90mm was mainly to make sure that no one on the start line has to measure a wheel (as there's basically nothing on the market deeper than that apart from niche wheels like our TITAN (100mm), a Flo 9 (95mm) or a Knight Composites 95mm), and I wouldn't expect anyone to try and ride them.
Otherwise you might get people using 82mm Zipp 808s (which are road race/crit legal) and others not noticing until later, cue lots of anguish etc. plus the raft of 80-88mm wheels which get used in RRs and crits. The more restrictions the less people enter, that's our thinking.
The CTT outright stole our rules for their classic series events and have basically kept everything apart from changing it to 65mm which is a weird non depth.