Unadulterated aero road speed.REACTO 4000 might be the most affordable aero bike in their range but is far from being an entry-level bike. Featuring a lightweight CF3 frame with race-proven geometry, the 4000 offers impressive comfort due to the generous tyre clearance (up to 30 mm tyres) and the fitted S-FLEX carbon seat post. At the same time, the latest super smooth mechanical 12-speed Shimano 105 groupset keeps shifting in braking and perfect check.The latest version of the REACTO took the cycling press by storm. A long string of test wins, perfect scores and awards confirm their successful symbiosis of the race-proven DNA of the previous model with the latest trends and technologies. From serious racer via enthusiast to the ambitious road rider, the REACTO is a great bike for many people. Its outstanding aerodynamic performance, reduced weight, sharp handling and super quick acceleration makes it the perfect bike for criterium racers and sprinters.Features:Lightweight CF3 carbon aero frame (approx. 1,150 g - in size M)Shimano 105 12-speed mechanical groupsetMERIDA EXPERT SL stem/MERIDA EXPERT CW handlebar combinationMERIDA S-FLEX carbon aero postDISC COOLER technology and WIRE PORT cable integrationSeat post integrated rear light