{"product_id":"shimano-grx-st-rx400-gravel-shifters-with-br-rx400-flat-mount-caliper-hydraulic-brake-kit","title":"Shimano GRX ST-RX400 Gravel Shifters with BR-RX400 Flat Mount Caliper Hydraulic Brake Kit","description":"\u003cp\u003eExperience the ultimate control and precision with the Shimano St-Rx400 Grxsti Bled paired with the Br-Rx400 Flat Mount Caliper. Designed specifically for gravel riding, this component set combines Shimano’s renowned GRX technology with ergonomic features that enhance your grip and confidence on challenging terrains. Its 10-speed hydraulic disc brake STI levers deliver smooth modulation and powerful braking with minimal effort, ensuring safety and responsiveness in all conditions.\u003c\/p\u003e\n\n\u003cp\u003eThe carefully engineered brake lever design includes a higher axis and ergonomic curvature to reduce hand fatigue and improve handling on rough trails. Additionally, the raised hood and recessed finger notch prevent slippage and misalignment, giving you a secure hold even on the longest rides. This kit also includes the front brake caliper, hose, and mineral oil, offering everything you need for a reliable braking system without the rotor or adapter.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eEnhancing control and braking power on gravel and mixed terrains\u003c\/li\u003e\n  \u003cli\u003eProviding ergonomic comfort to reduce fatigue during long rides\u003c\/li\u003e\n  \u003cli\u003eEnsuring reliable and quiet shifting with 10-speed GRX STI levers\u003c\/li\u003e\n  \u003cli\u003eOffering a complete hydraulic brake system with front calliper and necessary components\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It’s NOT Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUse without compatible rotors and adapters, which are sold separately\u003c\/li\u003e\n  \u003cli\u003eNot designed for road racing or pure track cycling applications\u003c\/li\u003e\n  \u003cli\u003eMay not be suitable for riders requiring electronic shifting systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this kit include rotors and adapters?\u003c\/strong\u003e\u003cbr\u003eThe kit includes the STI lever, front brake caliper with pads, hose, and mineral oil but does not come with rotors or adapters, which must be purchased separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this component compatible with other Shimano groupsets?\u003c\/strong\u003e\u003cbr\u003eIt is optimized for Shimano GRX gravel groupsets and may not fully integrate with non-GRX Shimano components.\u003c\/p\u003e","brand":"Shimano GRX","offers":[{"title":"Right Front","offer_id":45496064344239,"sku":"RX4002RF","price":203.99,"currency_code":"GBP","in_stock":false},{"title":"Left Rear","offer_id":45496064377007,"sku":"RX4002LR","price":222.91,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/1650019650-57098400.jpg?v=1768525699","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/shimano-grx-st-rx400-gravel-shifters-with-br-rx400-flat-mount-caliper-hydraulic-brake-kit","provider":"Swinnerton Cycles","version":"1.0","type":"link"}