{"product_id":"merida-reacto-4000-road-bike-with-shimano-105-r7100-hydraulic-disc-brakes-and-aerodynamic-frame-design","title":"Merida Reacto 4000 Road Bike with Shimano 105 R7100 Hydraulic Disc Brakes and Aerodynamic Frame Design","description":"\u003cp\u003eThe Merida Reacto 4000 Road Bike embodies the forefront of aerodynamic innovation and rider-centric design, tailored for cyclists who prioritize performance and efficiency. Its fourth-generation frame integrates advanced aerodynamic principles, resulting in a sleek silhouette complemented by wider 700c tires that enhance stability and comfort. The streamlined cockpit features expertly concealed cables, maintaining a minimalist aesthetic while ensuring functional reliability and ease of maintenance.\u003c\/p\u003e\n\n\u003cp\u003eDeveloped through sophisticated Computational Fluid Dynamics (CFD) modeling and validated in wind tunnel testing, the Reacto 4000 achieves remarkable speed with reduced drag. Key engineering elements, such as the front disc cooler positioned behind the fork and the rear disc caliper recessed within the rear triangle, contribute to optimized airflow and improved thermal management. This strategic design minimizes resistance and enhances overall riding efficiency, positioning the Reacto 4000 as a superior choice for competitive road cyclists.\u003c\/p\u003e\n\n\u003cp\u003eEquipped with the Shimano 105 R7100 groupset and hydraulic disc brakes, this model delivers precise and reliable shifting alongside powerful braking performance across diverse conditions. The caliper placement on the chainstay, combined with CNC-machined aluminum disc cooler fins, facilitates up to 35% improved heat dissipation, ensuring consistent braking during prolonged descents or intense riding scenarios. The unisex frame geometry accommodates a broad spectrum of riders, seamlessly blending lightweight construction, aerodynamic refinement, and comfort for both serious competitors and dedicated enthusiasts.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMaximizing aerodynamic efficiency on flat and rolling terrain.\u003c\/li\u003e\n  \u003cli\u003eProviding superior control and stopping power with hydraulic disc brakes.\u003c\/li\u003e\n  \u003cli\u003eEnhancing rider comfort through wider tires and refined frame geometry.\u003c\/li\u003e\n  \u003cli\u003eSeamless cable integration for a sleek, maintenance-friendly cockpit.\u003c\/li\u003e\n  \u003cli\u003eDelivering reliable, precise gear shifts with Shimano 105 R7100 groupset.\u003c\/li\u003e\n  \u003cli\u003eExcelling in competitive road cycling and fast group rides.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It’s NOT Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eOff-road or mountain biking due to its road-specific design.\u003c\/li\u003e\n  \u003cli\u003eCasual commuting where rugged durability and cargo capacity are priorities.\u003c\/li\u003e\n  \u003cli\u003eRiders seeking a fully integrated electronic shifting system, as it uses mechanical\/electronic hybrid components.\u003c\/li\u003e\n  \u003cli\u003eExtremely rough terrain where wider tires and suspension would be necessary.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs the Merida Reacto 4000 suitable for long-distance rides?\u003c\/strong\u003e\u003cbr\u003eYes, its aerodynamic design combined with comfort-oriented features like wider tires makes it ideal for endurance rides and long-distance cycling.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat size tires does this bike accommodate?\u003c\/strong\u003e\u003cbr\u003eThe Reacto 4000 is designed for 700c wheels with wider tires, enhancing grip and comfort without sacrificing speed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do the hydraulic disc brakes improve performance?\u003c\/strong\u003e\u003cbr\u003eThey provide consistent, powerful stopping power in all weather conditions, with better heat dissipation thanks to the integrated disc cooler fins.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this bike suitable for both men and women?\u003c\/strong\u003e\u003cbr\u003eYes, the Reacto 4000 features a unisex frame geometry that accommodates a wide range of riders comfortably.\u003c\/p\u003e","brand":"Merida","offers":[{"title":"XXS \/ Blue, Black","offer_id":45456693395631,"sku":"Q070","price":2400.0,"currency_code":"GBP","in_stock":false},{"title":"XS \/ Blue, Black","offer_id":45456693461167,"sku":"Q071","price":2400.0,"currency_code":"GBP","in_stock":false},{"title":"S \/ Blue, Black","offer_id":45456693362863,"sku":"Q072","price":2400.0,"currency_code":"GBP","in_stock":false},{"title":"M \/ Blue, Black","offer_id":45456693428399,"sku":"Q073","price":2400.0,"currency_code":"GBP","in_stock":false},{"title":"L \/ Blue, Black","offer_id":45456693297327,"sku":"Q074","price":2400.0,"currency_code":"GBP","in_stock":false},{"title":"XL \/ Blue, Black","offer_id":45456693330095,"sku":"Q075","price":2400.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/1726482079-47812000.jpg?v=1768511761","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/merida-reacto-4000-road-bike-with-shimano-105-r7100-hydraulic-disc-brakes-and-aerodynamic-frame-design","provider":"Swinnerton Cycles","version":"1.0","type":"link"}