It also means you should be able to fit any of the new GRX gravel bike derailleurs for better chain control if you're exploring dirt roads. That means you can fit a 105, Ultegra or even Dura-Ace rear derailleur to a Tiagra-equipped bike. Tiagra 4700 has the same relationship between shift lever movement and rear derailleur movement as Shimano's 11-speed road components. So they can be an option for beginners or for cyclocross and gravel bikes. Read more: Your complete guide to Shimano road bike groupsets Aluminium road bikes are renowned for being cheaper and more robust. It therefore looks like the current 10-speed version of Tiagra is going to be around for a few more years yet. It seemed likely that Shimano would announce a revamp to Tiagra in 2019, following its usual four-year cycle, but instead Tiagra for model year 2020 got some relatively minor changes, with restyled shifters and hydraulic disc brakes, and a 48/34 chainset option. The biggest cosmetic change from the previous version was the redesigned chainset, it's much better looking than the previous Tiagra, and the brake lever hoods benefit from the same ergonomics, with cables under the bar tape, as first seen on Dura-Ace. It's a 10-speed groupset that sits above Sora and below 105 in Shimano's range. The SRAM Force 1 drivetrain offers precision. Shimano launched its Tiagra 4700 groupset in 2015. The Addict CX RC is Scott’s only true, dedicated, cyclocross race bike, and it’s built for hardcore ’crossers and new racers alike.
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