Simply because the biking world is making ready for one of many largest single-day races of the season, the UCI has introduced its first tips 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 observe 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 tougher because the European Tyre and Rim Technical Organisation (ETRTO) requirements haven’t at all times aligned with the ISO requirements.
Trying forward, it’s clear that the UCI hopes to work with all events to provide you with 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 current incidents involving using hookless rims with tubeless tyres, the Union Cycliste Internationale (UCI) is at present able to difficulty its first tips 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 highway biking over the past two years at occasions on the UCI Worldwide Calendar, together with this 12 months at two UCI WorldTour occasions – the UAE Tour and the Strade Bianche (ITA) –, in addition to issues expressed by highway 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 Laws, 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 chance that this may increasingly 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 tougher 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 Laws, which each consult with the ISO requirements talked about, is obtainable within the UCI Technical Laws 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} highway biking – to work with all events involved, together with groups, riders and the biking trade, to discover potential enhancements and clarifications relating to using hookless rims with tubeless tyres that may be related to include into the UCI Laws. SafeR will present their suggestions, to be thought of for software for the 2025 season, in a report with the purpose of constantly bettering rider security. Specifically, groups, riders and Commissaires are requested to report any incident involving hookless rims with tubeless tyres that will happen and to make sure that the circumstances of the incident will be analysed intimately.
In the long term, the UCI will perform an in-depth evaluation of the appropriateness of the present necessities for using various kinds of gear in competitors, specifically wheels, to make sure that these necessities assure the protection of riders, are tailored to skilled biking, and don’t rely completely or for probably the most half on the diligence and inside processes of producers.
