{"product_id":"shimano-grx-st-rx610-12-speed-sti-lever-with-br-rx410-flat-mount-hydraulic-caliper","title":"Shimano GRX ST-RX610 12-Speed STI Lever with BR-RX410 Flat Mount Hydraulic Caliper","description":"\u003cp\u003eThe Shimano GRX ST-RX610 GRX 12-speed STI, paired with the BR-RX410 flat mount caliper, is engineered specifically for gravel enthusiasts who demand precision and reliability. This component set offers an ergonomic design tailored to the unique challenges of gravel riding, combining optimized gearing with a rugged, quiet drivetrain. Its hydraulic disc brakes deliver powerful, consistent stopping performance with minimal effort, ensuring you stay in control across varied terrain.\u003c\/p\u003e\n\n\u003cp\u003eEnhanced features such as the higher brake lever axis and curved levers provide a secure grip, boosting confidence on rough surfaces and steep descents. The raised hood head design prevents hand misalignment, while the recessed finger notch and anti-slip texture reduce fatigue and improve braking efficiency on longer rides. This kit includes everything needed for seamless integration, except the rotor and adapter, making it a versatile choice for upgrading your gravel bike’s performance.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eOffering precise and powerful braking with minimal effort\u003c\/li\u003e\n  \u003cli\u003eProviding ergonomic comfort and improved grip on rough terrain\u003c\/li\u003e\n  \u003cli\u003eDelivering a quiet, stable drivetrain optimized for gravel riding\u003c\/li\u003e\n  \u003cli\u003eEnsuring reliable shifting with 12-speed STI technology\u003c\/li\u003e\n  \u003cli\u003eReducing hand fatigue during long rides through thoughtful design\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 on road-only bikes lacking disc brake compatibility\u003c\/li\u003e\n  \u003cli\u003eApplications requiring rotors or adapters, which are not included\u003c\/li\u003e\n  \u003cli\u003eRiders seeking mechanical brake systems instead of hydraulic\u003c\/li\u003e\n  \u003cli\u003eNon-gravel or mountain biking disciplines with different ergonomic needs\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\u003eNo, the kit comes with the ST-RX610 STI lever, BR-RX410 caliper with pads, hose, and mineral oil, but it does not include rotors or adapters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this compatible with all gravel bikes?\u003c\/strong\u003e\u003cbr\u003eIt is designed for gravel bikes with flat mount disc brake compatibility and hydraulic brake systems. Compatibility should be verified based on your bike’s specifications.\u003c\/p\u003e","brand":"Shimano GRX","offers":[{"title":"12-Speed \/ Black \/ Right","offer_id":45735528923311,"sku":"RX610DRF","price":272.16,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/rx6102rfa.jpg?v=1770822053","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/shimano-grx-st-rx610-12-speed-sti-lever-with-br-rx410-flat-mount-hydraulic-caliper","provider":"Swinnerton Cycles","version":"1.0","type":"link"}