Pro Bike: Tom Dumoulin’s Giant Trinity TT bike (video)

The time trial bike that Tom Dumoulin is using at the Giro d'Italia
Take a look at the rest of the bikes in the pro-peloton 19 Videos Pro bikes: André Greipel's Ridley Noah SL (video) 02:12 Pro Bike: Alex Dowsett's Canyon Aeroad CF SLX (video) 01:46 Pro Bike: Greg Van Avermaet's gold BMC Team Machine SLR01 (video) 01:19 Canyon/SRAM's Canyon Ultimate CF SLX team bike (video) 01:28 Pro Bike: Domenico Pozzovivo's Focus Izalco Max (video) 01:11 Rigoberto Uran's Cannondale Slice takes marginal gains to the next level 04:27 Pro Bike: Alejandro Valverde's Canyon Speedmax CF SLX (video) 02:08 Pro Bike: Tom Dumoulin's Giant Trinity TT bike (video) 01:50 Pro Bike: Tom Boonen's Specialized S-Works Roubaix (video) 01:32 Vasil Kiryienka's Pinarello Bolide Custom (video) 02:15 Tour de France bikes: Chris Froome's Pinarello Dogma F8 (video) 01:33 Alexander Kristoff's Canyon Aeroad CF SLX (video) 01:38 Tour de France bikes: Marcel Kittel's Specialized S-Works Venge ViAS (video) 01:18 Joaquim Rodriguez's Canyon Ultimate CF SLX (video) 01:47 Tour de France bikes: Mark Cavendish's S-Works Venge ViAS (video) 01:32 Tour de France bikes: Geraint Thomas's Pinarello Dogma K8-S (video) 06:23 Pro bike: Tony Martin's Specialized S-Works Shiv (video) 01:33 Tour de France bikes: Tejay van Garderen's BMC Timemachine (video) 01:39 Top 10 Tour de France bikes (video) 04:19

Currently holding the pink jersey in the Giro d’Italia, Tom Dumoulin will be looking to solidify his place at the top of the general classification with a strong performance in Sunday’s 40.5km stage nine time trial around Chianti.

The Dutchman will set about that task on his Giant Trinity time trial bike, which has one of the most distinctive profiles of any time trial bike in the pro peloton, with its bolt-upright seat tube and seriously cut-out seat tube. However it’s the less obvious details that probably have the biggest aerodynamic benefit, such as the dead-straight bladed fork that keeps the front brake out of the wind, and the deep head tube.

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Shimano sponsorship means that Dumoulin is using Shimano Dura-Ace Di2, with a massive 56 tooth big ring at the front, and the electronic shifting allows him to have shift buttons on both the aero extensions and by the brake levers on the handlebars, meaning that he can change gear even when sprinting out of the corners or when climbing.

The finishing kit all comes from Pro, which is one of Shimano’s in-house brands, with a Pro Disc wheel and tri-spoke, and an Aerofuel time trial-specific saddle. One final interesting detail is that Giant-Alpecin are still using last year’s Vittoria Corsa tyres rather than the 2016 graphene-infused versions, a choice that the team mechanics say is down to the old version’s lower rolling resistance, while the 2016 tyre is being used in normal road stages due to its better puncture protection.