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UCI confirms Matej Mohorič’s Milan-San Remo-winning dropper post is within rules

Bahrain Victorious rider’s component choice set cycling world abuzz after thrilling Monument win

It’s not often that a single component gets as much attention as the winner of a Monument – but that’s exactly what the Bahrain Victorious rider Matej Mohorič managed yesterday as his use of a dropper post helped him draw clear of his rivals on the descent of the Poggio to take a thrilling victory at Milan-San Remo, and this morning the UCI has confirmed that its usage on a road bike is allowed, so long as it complies with saddle setback rules.

> Matej Mohorič deploys dropper post to win stunning Milan–San Remo victory

Despite almost crashing twice on the descent, the Slovenian national champion, one of the best descenders in the peloton, held off his pursuers to win the race by just two seconds from Anthony Turgis of Total Energies, with Alpecin-Fenicx’s Mathieu van der Poel third.

Following the race, there was plenty of buzz about the dropper post Mohorič had used on his bike – a Merida Scultura, the round seatpost of which was able to accommodate the dropper post, rather than the Slovenian’s usual Merida Reacto, which has an aero seat post.

In a statement released this morning, world cycling’s governing body said:

The UCI Equipment Commission approved the use of dropper seatposts in road cycling competitions in 2014. Their use is subject to the minimum 5cm setback rule of article 1.3.013 of the UCI Regulations, i.e., when the dropper seatpost is set to its highest or lowest setting, the saddle setback must be in full compliance with article 1.3.013.

That article of the UCI regulations states:

The peak [ie the front] of the saddle shall be a minimum of 5cm to the rear of a vertical plane passing through the bottom bracket spindle.

While Bahrain Victorious usually use FSA components on their bikes, the dropper post used by Mohorič yesterday is reported by to be a Fox Transfer SL.

Matej Mohoric dropper post close-up photo credit @Sprintcycling @TeamBahrainVictorious

“Due to the UCI rules we had to use a dropper that was on the market and so went for a MTB model,” Mohorič explained.

“We tested a 12cm dropper but that was too much and meant the pedalling wasn’t efficient anymore, so we opted for a 6cm device,” he continued.

“I had a grip shift on the bars and lowered and lifted it several times on the descent of the Poggio.

“People have long dismissed the idea of using dropper posts but the technology is more advanced now and they don’t weigh much more than a regular seatpost.

“Maybe next year all the bikes will be available with a dropper. It’s safe in traffic too and so in training. You can brake better. I think it’s a big advantage in racing too,” he added.

However, a tweet from the team yesterday evening suggested that the dropper post was indeed made by FSA, and we are seeking clarification on this point..

Fellow Slovenian Tadej Pogačar of UAE Team Emirates winner earlier this month of Strade Bianche and Tirreno-Adriatico, entered the race as one of the two big favourites together with 2020 winner Wout van Aert of Jumbo-Visma.

Pogačar, who had attacked repeatedly on the Poggio after his team mates had earlier set a cracking pace on the Cipressa, revealed after yesterday’s race that Mohorič had told him of his race plan ahead of the start.

Congratulating the Bahrain Victorious rider on his win, he said: “Before the race, he told me not to try to follow him downhill and I replied that I was aware that it would be very difficult to follow him, since I know that he is crazy when the road goes down and also having noticed that he had a seat post dropper to launch even better.

“In fact, when he overtook me downhill, I saw that he was already taking big risks, drifting and even coming off the road, so I didn’t dare follow him.”

Simon joined as news editor in 2009 and is now the site’s community editor, acting as a link between the team producing the content and our readers. A law and languages graduate, published translator and former retail analyst, he has reported on issues as diverse as cycling-related court cases, anti-doping investigations, the latest developments in the bike industry and the sport’s biggest races. Now back in London full-time after 15 years living in Oxford and Cambridge, he loves cycling along the Thames but misses having his former riding buddy, Elodie the miniature schnauzer, in the basket in front of him.

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