Merida Reacto 4000 Carbon Road Bike 2026 brings race-inspired speed together with comfort for fast club rides, training sessions and competitive events. A lightweight CF3 carbon frame pairs with proven race geometry to deliver quick acceleration, responsive handling and confident control. Clearance for tyres up to 30 mm adds extra comfort across rough roads, while the S-FLEX carbon seat post helps reduce vibration for a smoother ride.Mechanical Shimano 105 12 speed gearing provides reliable shifting across a wide range of gradients, while hydraulic disc brakes deliver strong, consistent stopping power in all weather conditions. Merida's DISC COOLER technology helps reduce brake temperatures during long descents, allowing braking performance to remain consistent when it matters most.Aerodynamic efficiency comes from the NACA Fastback tube profile, helping air flow cleanly around the frame while keeping weight low. Internal cable routing and the WIRE PORT headset system create a tidy appearance, reduce cable exposure and contribute to improved airflow around the front of the bike.Confidence at speed starts with the X-TAPER headtube, giving precise steering and excellent front-end stiffness through every corner. An internal seat post clamp maintains the sleek profile while allowing straightforward saddle height adjustment.Advanced carbon construction combines Nano Matrix Carbon with the AWS Anti Wrinkle System to produce a strong, durable frame with improved impact resistance and a refined internal finish. Merida Reacto 4000 Carbon Road Bike 2026 offers an outstanding choice for riders aiming to build speed, improve fitness and enjoy every kilometre on the road.Key Features:- Reacto CF3 IV Carbon Frame- Merida Reacto CF3 IV DISC Carbon Fork- Shimano 105 Groupset Components - Merida Expert CW Aluminium Rims - Continental Grand Prix 700x28C TyresBenefits:- Lightweight carbon frame delivers fast acceleration and efficient climbing.- Aerodynamic frame shape helps maintain higher speeds with less effort.- Shimano 105 12 speed drivetrain provides smooth and reliable gear changes.- Clearance for 30 mm tyres improves comfort and grip on rough roads.- Hydraulic disc brakes offer confident stopping power in all weather conditions.

FrameREACTO CF3 IV carbon frame, BB86.5 bottom bracket standard, 100x12mm front and 142x12mm rear thru-axles, maximum tyre clearance 700x30CForkMERIDA REACTO CF3 IV DISC, carbon, maximum tyre clearance 700x30CFrame MaterialCarbonHeadsetMERIDA TEAM SL, VP-MRBHB (OP203 neck)BrakesShimano 105 hydraulic discBrake RotorsShimano RT54, 160mm front and rearBrake LeversShimano 105HandlebarMERIDA EXPERT CW, aluminium380mm (3XS, XXS, XS, S)400mm (M, L)420mm (XL)StemMERIDA EXPERT SL 2P II, aluminium, -990mm (XXS, XS)100mm (S)110mm (M, L)120mm (XL)GripsMERIDA ROAD EXPERTFront DerailleurShimano 105Rear DerailleurShimano 105 GSShiftersShimano 105 DiscSeatpostMERIDA TEAM CW, aero shape, 15mm setback, carbonSeat ClampMERIDA REACTO AeroSaddleMERIDA EXPERT SL, 6% recycled and 23% natural material, V-mount, includes MERIDA mini toolChainShimano M6100, 12-speedCranksetShimano 105 R7100, 52/36T160mm (3XS)165mm (XXS, XS)170mm (S, M)172.5mm (L, XL)CassetteShimano 105 R7101, 11-34T, 12-speedBottom BracketShimano SM-BB71-41B, PressFit 86.5HubsFront: Shimano TC500, 100x12mm, 28H, Center LockRear: Shimano TC500-HL, 142x12mm, 28H, Center LockRimsMERIDA EXPERT CW, aluminium, 19mm internal width, 30mm depth, tubeless readyTyresFront: Continental Grand Prix 700x28C, foldingRear: Continental Grand Prix 700x28C, foldingAxlesMERIDA EXPERT SL, includes removable lever with 6mm and 4mm Allen keysSpokesDouble-butted black stainless steelWeightApprox. 9kg (size M)