Simply because the biking world is getting ready for one of many greatest single-day races of the season, the UCI has introduced its first pointers on the topic of hookless rims with tubeless tires. The announcement is pretty transient, and breaks down their plans for the “brief, medium, and long run.”
Primarily, for now they only suggest groups and riders to comply with the ISO requirements 5775-2:2021 and 5775-1:2023. These requirements ” present a framework for the compatibility of tire and rim widths on bicycles.” Stating that these requirements haven’t at all times been revered, the UCI factors out that adherence has been made harder because the European Tyre and Rim Technical Organisation (ETRTO) requirements haven’t at all times aligned with the ISO requirements.
Wanting forward, it’s clear that the UCI hopes to work with all events to give you a extra concrete resolution, however for now, all they’ll do is suggest that tires and rims are inside spec.
From UCI:
Following its assertion on latest incidents involving the usage of hookless rims with tubeless tyres, the Union Cycliste Internationale (UCI) is right now ready to challenge its first pointers on the topic for the brief, medium, and long run.
The UCI’s preliminary assertion got here in gentle of a number of incidents which have occurred in skilled street biking over the past two years at occasions on the UCI Worldwide Calendar, together with this yr at two UCI WorldTour occasions – the UAE Tour and the Strade Bianche (ITA) –, in addition to issues expressed by street biking stakeholders about rider security.
Within the brief time period, the UCI reminds groups and riders of the requirement set out in article 1.3.018 of the UCI Rules, which imposes compliance with Worldwide Organisation for Standardisation (ISO) requirements 5775-2:2021 and 5775-1:2023 in biking competitions. These requirements present a framework for the compatibility of tyre and rim widths on bicycles. The UCI notes that the norms outlined in these ISO requirements haven’t at all times been revered and doesn’t rule out the likelihood that this will likely have been a contributing consider among the incidents encountered.
The UCI additionally recognises that compliance with the ISO requirements by groups and riders is made harder by the truth that producers base their suggestions for compatibility between tyres and rims on the suggestions offered by the European Tyre and Rim Technical Organisation (ETRTO), which haven’t at all times been aligned with ISO requirements.
Additional info on articles 1.3.018 and 1.3.002 of the UCI Rules, which each consult with the ISO requirements talked about, is accessible within the UCI Technical Rules Clarification Information.
Within the medium time period, the UCI has taken the choice to mandate SafeR – the newly shaped entity devoted to security that brings collectively all stakeholders {of professional} street biking – to work with all events involved, together with groups, riders and the biking business, to discover potential enhancements and clarifications relating to the usage of hookless rims with tubeless tyres that may be related to include into the UCI Rules. SafeR will present their suggestions, to be thought-about for utility for the 2025 season, in a report with the purpose of repeatedly enhancing rider security. Particularly, groups, riders and Commissaires are requested to report any incident involving hookless rims with tubeless tyres which will happen and to make sure that the circumstances of the incident might be analysed intimately.
In the long run, the UCI will perform an in-depth evaluation of the appropriateness of the present necessities for the usage of various kinds of tools in competitors, particularly wheels, to make sure that these necessities assure the security of riders, are tailored to skilled biking, and don’t rely completely or for probably the most half on the diligence and inner processes of producers.
