The Thorn Mercury 40

Thoen Mercury 40

The Mercury 40 is designed to succeed the Club Tour Mk5, Audax Mk4, and Mercury Mk3. Drawing inspiration from the Nomad Mk3, it features an integrated frame gate, making it fully compatible with a belt drive system.

IT’S OUR TAKE ON THE ULTIMATE MODERN SPORTS TOURING BIKE

  • The Mercury 40 is compatible with both derailleur and Rohloff drivetrains, supports 700c or 650b wheels, and can be configured with drop bars or flat bars to suit your riding style.

  • Build it with 650b wheels - and can have F&R V brakes, F&R Disc brakes, or Front V and Rear disc. There are different fork options depending on your requirements.

  • The Carbon disc fork is a QR fork and with 700C you can run 32c tyres and with 650b it will support 38mm tyres.

  • The frame tubes are of the highest quality - cold drawn, seamless, and heat-treated steel using Thorn 858 tubing as previously used on The Audax frames.

  • The Mercury 40 is available in a choice of 2 colours , there are 8 sizes - 3 sizes with short top tubes for drop bars, or a relaxed position, 5 sizes with long top tubes for straight bars.

  • The Mercury 40 has the same geometry as the previous models but with the addition of a Gate in the frame to run a Gates Carbon Belt, and a stand plate under the chain stays so a stand can now be fitted to this bike as this was requested by a lot of our customers.

  • The Mercury 40 is engineered with a lighter, more responsive frame—delivering an enhanced performance while maintaining the same unwavering commitment to versatility, durability, and comfort. It’s a beautiful well-considered Sports Touring Bike ideal for road or trails, come and give it a test ride.

  • All Rohloff equipped bike orders come with 100 days moneyback guarantee and derailleur builds come with 14 days moneyback guarantee. 

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With 650b wheels (or 700 x 40c) it makes an outstanding Gravel Bike.

It also makes a superb bike for lightweight off road touring and a fantastically comfortable bike for cyclists at every level of ability, who ride on today’s broken roads.

Complete Bikes from around £3,300