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Carbon monoxide rebreathing

Ineos Grenadiers team car, 2024 Tour of Britain

Ineos Grenadiers carried out carbon monoxide tests two months after UCI told teams to avoid repeated CO inhalation, as hotel owner says he “knew nothing”; Who’s to blame for soaring house prices? Cargo bike owners, apparently + more on the live blog

It’s Tuesday and Ryan Mallon’s back to keep you up to speed with all the latest cycling news, views, and general silliness on the live blog. As long as nobody mentions last night’s football…

2024 Ineos Grenadiers group ride Pinarello Dogma F

Ineos Grenadiers admit to using now-banned carbon monoxide rebreathing test – but team insist they did nothing wrong

The team denied using the test at the 2024 Tour de France, but admitted to using it earlier this year after The Times saw an itinerary confirming the use of the method, which is now banned

UAE Team Emirates at the 2024 Tour de France (ASO/Billy Ceusters)

WADA to ban carbon monoxide rebreathers as a performance aid from 2026

The practice, which can be used to stimulate the production of more oxygen-carrying red blood cells, can still be used as a diagnostic method to measure blood volume

2024 Tour de France peloton (ASO/Billy Ceusters)

UCI confirms imminent ban on carbon monoxide rebreathing “outside a medical facility”, citing health reasons

The ban on using commercially available CO rebreathing systems will begin from 10 February, with the UCI claiming repeated inhalation "can result in acute and chronic health problems". The ban is independent of world anti-doping regulations

UCI to ban use of carbon monoxide in pro cycling due to “health side effects” – but says controversial rebreathing method can still be used “in a medical setting” to test riders’ altitude training progress

The governing body argues “the complete lack of knowledge about the long-term effects of repeated inhalation of carbon monoxide” justifies a ban, but says the testing process carried out by the likes of UAE Team Emirates and Visma-Lease a Bike will remain

Dutch roundabout, West Bar, Sheffield (Les Sturch)

“Pandering to the few that don’t even pay to be on the roads”: New Dutch-style roundabout branded an “expensive disaster area” by drivers – but cyclists say it’s “100% safer” and the “start of better cycling infrastructure” + more on the live blog

It’s two weeks until Christmas – and, more importantly, 41 days until the Tour Down Under – so Ryan Mallon’s back to continue the festive countdown with more cycling news and views on the Wednesday live blog

Jonas Vingegaard at 2023 Tour de France, stage 20 (Zac Williams/SWPix.com)

“There are a lot of people smoking cigarettes every day”: Jonas Vingegaard says carbon monoxide method is like “smoking one cigarette” and claims he “never knew” it could be misused

“If the UCI and WADA ban it, of course I will never do it again,” the two-time Tour de France winner said when asked about the controversial rebreathing test

Célia Le Mouel hit by driver in Brest and bike snapped in two

“All we want is to move about safely without being run over”: Hi-vis wearing pro cyclist escapes unhurt after being “violently hit” by driver as bike snapped in two; Pogačar “is so superior it’s difficult to explain”, says Bardet + more on the live blog

It’s Wednesday and Ryan Mallon’s ready for another bumper day of cycling news, opinion, and the occasional random video on the midweek live blog

What is carbon monoxide rebreathing and why is the entire Tour de France talking about it? Tadej Pogačar and Jonas Vingegaard insist it’s “nothing suspicious” and “just a simple test”, but others are less convinced

UAE Team Emirates, Visma-Lease a Bike and Israel–Premier Tech all admitted using the controversial test during altitude camps, raising health and ethical questions — but is it safe and are the concerns justified?