M Part Shimano ST-4700 Tiagra 10-speed road STI levers, for double

Considering you can overhaul your road bike to a full Shimano groupset for less than £300, Tiagra is a sound investment. Although classed as 'entry-level', Shimano Tiagra provides great function, feel, looks and value for money.I upgraded my Trek 1.2 aluminium road bike from a mix of FSA, non-branded and Shimano 105/Ultegra components to a full Shimano Tiagra groupset, and it felt like a new bike. In fact, it's never been better! Paired with Tiagra derailleurs and crankset, these Tiagra shifters are sleek, responsive and functional straight out of the box. The shifters, whilst not being as lightweight as 105, Ultegra or Dura-Ace shifters, look great - and work just as well. I think this is where the difference lies. Weight. People would have you believe the lighter the better. However, Tiagra makes you want to go out and ride whatever the weather - so what you lose in weight penalties, you'll gain in, well, gains!The only downside is that I've read these shifters are not compatible with other drivetrains than Tiagra 4700 componentry. So you may have to switch out both derailleurs if you are replacing your shifters. I have not been able to test this, as I run all Shimano Tiagra 4700 components - save for my brake calipers, which are Tektro and I have had no issues with compatibility of these.Can't recommend Shimano Tiagra enough. Sleek, professional looks, and great function at an unbelievable price point.