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Unique Essax Shark saddle arrives in the UK

Full range of Spanish made Essax saddles coming to the UK in January

Remember the unique Essax Shark saddle, with its raised fin, that we told you about earlier this year? Well, you might be interested to know that will soon available to buy in the UK, with distributor NRG4 confirming this week they’ll be selling the full range of saddles from January.

The Spanish company produces regular saddles as well, but it is the Shark that has gotten most attention since it was unveiled to the world. It was developed by Spanish bike fitter Jon Iriberri, and he reckons the novel design more evenly spreads the weight of the cyclist onto the sit bones and reduces hip rotations, limb differences and inefficient pedalling techniques.

Apparently the Shark saddle is going past the UCI technical committee with a view it being authorised for use in UCI races, as the company sponsors UCI Professional Continental Team Caja Rural Seguros RGA, so we could yet soon it in the professional peloton next season.

The Shark weighs a claimed 210g, pretty light for a saddle, and features 3mm deep foam, with a 40mm raised fin that is 100mm in length. The saddle is 140mm at its widest point. Every Essax saddle, including the Shark, incorporates an “AF-Net matrix” in the shell, which the company reckons, through its own testing, improves pedalling efficiency, with an Essax saddle offering a claimed 2.5% performance and efficiency claim compared to the popular Fizik Arione saddle.

Some eyebrow raising claims indeed. We'll be getting a couple of their saddles in to test very soon so we’ll be sure to test against the Arione to see how they perform in our own testing.

Essax are a Spanish-based saddle company with 25-years experience in manufacturing polyurethane foam, and they’ve since turned this knowledge into making their own bicycle saddles. As well as the Essax, the range includes the Adrenaline Tech, Tudons and Eon.

You can see the full range at and

David worked on the tech team from 2012-2020. Previously he was editor of and before that staff writer at RCUK. He's a seasoned cyclist of all disciplines, from road to mountain biking, touring to cyclo-cross, he only wishes he had time to ride them all. He's mildly competitive, though he'll never admit it, and is a frequent road racer but is too lazy to do really well. He currently resides in the Cotswolds, and you can now find him over on his own YouTube channel David Arthur - Just Ride Bikes

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