{"product_id":"shimano-grx-st-rx820-br-rx820-12-speed-disc-brake-right","title":"SHIMANO GRX ST-RX820 + BR-RX820 12-SPEED DISC BRAKE RIGHT","description":"\u003ch3\u003eGravel riders demand braking systems they can trust, especially when tackling steep, technical descents.\u003c\/h3\u003e\n\u003cp\u003eThe Shimano GRX 12-speed ST-RX820 STI paired with BR-RX820 Flat-Mount hydraulic disc caliper delivers exactly that—powerful, reliable deceleration when you need it most. This right-hand shifter and brake lever combination offers excellent modulation and stopping power, giving you the confidence to push harder on demanding terrain. The hydraulic system provides consistent performance in all conditions, while the flat-mount design integrates seamlessly with modern gravel frames. Built for adventure, engineered for control.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFeatures \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGreater mixed-terrain control\u003c\/li\u003e\n\u003cli\u003eGravel inspired lever and bracket ergonomics\u003c\/li\u003e\n\u003cli\u003eAnti-slip brake lever\u003c\/li\u003e\n\u003cli\u003eSame light shifting operation as top tier road systems\u003c\/li\u003e\n\u003cli\u003eNever hesitate to tackle rough surfaces\u003c\/li\u003e\n\u003cli\u003eExcellent heat dissipation\u003c\/li\u003e\n\u003cli\u003eICE TECHNOLOGIES\u003c\/li\u003e\n\u003cli\u003eFlat mount\u003c\/li\u003e\n\u003cli\u003eSimple set up and maintenance\u003c\/li\u003e\n\u003cli\u003eConvenient tool access\u003c\/li\u003e\n\u003cli\u003eEasy hose joint system (J-kit)\u003c\/li\u003e\n\u003cli\u003eSimple wheel replacement\u003c\/li\u003e\n\u003cli\u003eEasy and clean bleeding system\u003c\/li\u003e\n\u003cli\u003eONE WAY BLEEDING\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse: \u003c\/strong\u003eGravel, Cyclocross\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroup:\u003c\/strong\u003e GRX\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel: \u003c\/strong\u003eST-RX820-R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Dual-Control (STI)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandlebar mounting:\u003c\/strong\u003e right\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGear rear:\u003c\/strong\u003e 12-speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptical gear display:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLever reach adjust:\u003c\/strong\u003e Yes, with tool\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandlebar diameter:\u003c\/strong\u003e 23.8mm\/24.2mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake-type:\u003c\/strong\u003e Hydraulic Disc Brake\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake caliper:\u003c\/strong\u003e BR-RX820-R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake mounting: \u003c\/strong\u003eFlat-Mount\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake pads: \u003c\/strong\u003eL05A-RF Resin with Fin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-Way bleeding:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake fluid: \u003c\/strong\u003eMineral oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended brake rotor:\u003c\/strong\u003e SM-RT64, SM-RT70, SM-RT800\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMaterial\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLever:\u003c\/strong\u003e Aluminium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliper: \u003c\/strong\u003eAluminium\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eColour\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSeries colour\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWeight\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eApprox. 287g ST-RX820\u003c\/li\u003e\n\u003cli\u003eApprox. 134g BR-RX820\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eContents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x GRX ST-RX820 12-speed STI Dual Control right\u003c\/li\u003e\n\u003cli\u003e1 x GRX BR-RX820 Flat-Mount Brake Caliper\u003c\/li\u003e\n\u003cli\u003e1 x Brake Pads L05A-RF Resin with Fin\u003c\/li\u003e\n\u003cli\u003e1 x Brake Hose SM-BH90-JK-SS \u003c\/li\u003e\n\u003cli\u003e2 x Screw for brake caliper (38mm)\u003c\/li\u003e\n\u003cli\u003e1 x Tube Joint Kit\u003c\/li\u003e\n\u003cli\u003e1 x Gear wire (Optislick)\u003c\/li\u003e\n\u003cli\u003e1 x Gear cable SIS OT-SP41 \u003c\/li\u003e\n\u003cli\u003e1 x Gear cable SIS OT-SP41\u003c\/li\u003e\n\u003cli\u003e1 x End caps\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe brake hose SM-BH90-JK-SS is filled with mineral oil and pre-mounted on on the caliper BR-RX820!\u003c\/p\u003e","brand":"SHIMANO","offers":[{"title":"Default Title","offer_id":56936323383671,"sku":"RX82012RF","price":323.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0707\/2350\/2370\/files\/455017024188915.avif?v=1774536496","url":"https:\/\/www.allterraincycles.co.uk\/products\/shimano-grx-st-rx820-br-rx820-12-speed-disc-brake-right","provider":"allterraincycles","version":"1.0","type":"link"}