Cee Jay
Striker
I know that, however the vast majority of TT in Uk you're not required to have a UCI legal bike.
It would only be the likes of the RTTC champs this would apply to.
For example in 99% of TTs in U.K. the likes of this while not UCI legal are perfectly ok
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"Bike. You'll need one of these to time trial. Regulation 14 relates to bikes. UCI bike rules do not apply to CTT time trials."