{"product_id":"shimano-grx-rx827-1x12-speed-di2-groupset","title":"Shimano GRX RX827 1 x 12 Speed Di2 Groupset","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e \u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\u003c\/p\u003e\n\u003ch1\u003eShimano GRX RX827 1x12 Speed Di2 Groupset\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eShimano GRX RX827\u003c\/strong\u003e 1x12 Speed Di2 groupset is purpose-built for gravel riding, delivering precise electronic shifting, exceptional chain control, and reliable performance across mixed terrain. Designed for riders who demand simplicity, durability, and race-ready technology, RX827 is ideal for gravel, adventure, and all-road bikes.\u003c\/p\u003e\n\u003ch2\u003eGRX Di2 Dual Control Lever\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe 12-speed SHIMANO GRX Di2 DUAL CONTROL LEVER delivers fast, wireless shifting for gravel and mixed-terrain riding. The ergonomic lever features raised hoods, ribbed surface texture, and an anti-slip coating on the brake lever for increased security and control. The hood body is newly optimized for seamless integration with flared handlebars while retaining the gravel-specific third button location. To complete the cockpit, RX825 levers are compatible with three satellite shifter options and feature SHIMANO FRONT SHIFT NEXT functionality to maximize rider customization options. 3 to 4 years of battery life with easy-to-change CR1632 shifter batteries (Initial shifter batteries may have a shorter battery life than stated above.)\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eGRX Di2 REAR DERAILLEUR 1x12s\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe all-new GRX RX827 rear derailleur paired with a 10-51T cassette gives riders and racers the speed, range, and robustness to pursue any gravel challenge. With built-in automatic impact recovery, an impact-deflecting shape, and solid pulleys, this derailleur stands up to hard impacts and still retains its lightning-quick shifting performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eGRX CRANKSET - 1x12s\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe SHIMANO FC-RX820-1 crank balances weight savings, optimized efficiency and an array of gearing options that cater to the segmented demands of mixed-terrain riding. By pairing a 10-45T or 10-51T cassette with 40T and 42T chainrings, riders can choose closer gear steps or ultimate range. The FC-RX820-1 comes in 170, 172.5, and 175 mm crank arm lengths, providing an additional level of customization.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eGRX - FLAT MOUNT - BRAKE CALIPER\u003c\/h2\u003e\n\u003cp\u003eThe GRX BR-RX820 disc brake caliper brings a new level of control to gravel cycling with enhanced modulation and a quicker initial braking point. And despite its smaller construction, the system is quieter and easier to maintain.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x12-speed electronic Di2 shifting system\u003c\/li\u003e\n\u003cli\u003eOptimised for gravel, adventure, and all-road riding\u003c\/li\u003e\n\u003cli\u003eWireless Di2 technology for fast, precise gear changes\u003c\/li\u003e\n\u003cli\u003eEnhanced chain stability for rough terrain\u003c\/li\u003e\n\u003cli\u003eErgonomic GRX-specific controls for comfort and control\u003c\/li\u003e\n\u003cli\u003eDesigned for reliable performance in all conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRear Derailleur:\u003c\/strong\u003e Shimano GRX RD-\u003cspan\u003eRX827 Di2 Wireless SGS Single\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShift \/ Brake Levers:\u003c\/strong\u003e Shimano GRX ST-RX825 2x12 Di2 Shifters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake Calipers:\u003c\/strong\u003e Shimano GRX BR-RX820 hydraulic disc calipers (front \u0026amp; rear)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCassette:\u003c\/strong\u003e Shimano 12-speed cassette (typically CS-M8100 or CS-M7100, 10–51T)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChain:\u003c\/strong\u003e KMC 12 Speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrankset:\u003c\/strong\u003e Shimano GRX FC-RX820 1x12 \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDi2 Battery:\u003c\/strong\u003e Shimano BT-DN320 Di2 Wireless Rear Derailleur Battery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Charging:\u003c\/strong\u003e Shimano EC-DN100 Di2 Wireless Rear Derailleur Charger\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake Hoses:\u003c\/strong\u003e Shimano SM-BH90 series (lengths vary)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong style=\"font-size: 0.875rem;\"\u003eNot included:\u003c\/strong\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e Brake rotors, bottom bracket.\u003c\/span\u003e\u003c\/p\u003e","brand":"Shimano","offers":[{"title":"RX820 1 x 12 170mm 42T \/ XT M8100 12 SPEED 10-45","offer_id":47877686886651,"sku":"ZZZSHIGRX827","price":1095.0,"currency_code":"GBP","in_stock":false},{"title":"RX820 1 x 12 170mm 42T \/ XT M8100 12 SPEED 10-51","offer_id":47877686919419,"sku":"ZZZSHIGRX827","price":1095.0,"currency_code":"GBP","in_stock":false},{"title":"RX820 1 x 12 172.5mm 42T \/ XT M8100 12 SPEED 10-45","offer_id":47877686952187,"sku":"ZZZSHIGRX827","price":1095.0,"currency_code":"GBP","in_stock":false},{"title":"RX820 1 x 12 172.5mm 42T \/ XT M8100 12 SPEED 10-51","offer_id":47877686984955,"sku":"ZZZSHIGRX827","price":1095.0,"currency_code":"GBP","in_stock":false},{"title":"RX820 1 x 12 170mm 40T \/ XT M8100 12 SPEED 10-45","offer_id":47877687017723,"sku":"ZZZSHIGRX827","price":1095.0,"currency_code":"GBP","in_stock":false},{"title":"RX820 1 x 12 170mm 40T \/ XT M8100 12 SPEED 10-51","offer_id":47877687050491,"sku":"ZZZSHIGRX827","price":1095.0,"currency_code":"GBP","in_stock":false},{"title":"RX820 1 x 12 172.5mm 40T \/ XT M8100 12 SPEED 10-45","offer_id":47877687083259,"sku":"ZZZSHIGRX827","price":1095.0,"currency_code":"GBP","in_stock":false},{"title":"RX820 1 x 12 172.5mm 40T \/ XT M8100 12 SPEED 10-51","offer_id":47877687116027,"sku":"ZZZSHIGRX827","price":1095.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0338\/5652\/0325\/files\/3738_rx827_1_1_d5b149e2-6190-407f-9ff3-7277bb5a6c5a.webp?v=1768991208","url":"https:\/\/www.sprocketandgear.co.uk\/products\/shimano-grx-rx827-1x12-speed-di2-groupset","provider":"Sprocket \u0026 Gear","version":"1.0","type":"link"}