{"product_id":"shimano-grx-rx825-di2-gravel-mini-group","title":"Shimano GRX RX825 Di2 Gravel Mini Group","description":"\u003cp\u003eThe core of a Shimano GRX Di2 12-speed hydraulic disc gravel group: wireless Di2 shift\/brake levers with calipers, Di2 derailleur(s), battery and charging. Use it to upgrade a bike that already has a compatible crankset, cassette, chain and rotors. The price is the sum of each component's US retail price.\u003c\/p\u003e\n\u003ch4\u003eWhat's included\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003e2x configuration – $2,144.00\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eST-RX825 Di2 shift\/brake lever + hydraulic disc caliper, left\/front – $595.00\u003c\/li\u003e\n\u003cli\u003eST-RX825 Di2 shift\/brake lever + hydraulic disc caliper, right\/rear – $595.00\u003c\/li\u003e\n\u003cli\u003eFD-RX825 Di2 front derailleur – $225.00\u003c\/li\u003e\n\u003cli\u003eRD-RX825 Di2 rear derailleur – $445.00\u003c\/li\u003e\n\u003cli\u003eBT-DN300 internal Di2 battery – $220.00\u003c\/li\u003e\n\u003cli\u003eEW-EC300 Di2 charging cable – $64.00\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eTotal: $2,144.00\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e1x configuration – $1,855.00\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eST-RX825 Di2 shift\/brake lever + hydraulic disc caliper, left\/front – $595.00\u003c\/li\u003e\n\u003cli\u003eST-RX825 Di2 shift\/brake lever + hydraulic disc caliper, right\/rear – $595.00\u003c\/li\u003e\n\u003cli\u003eRD-RX827 wireless Di2 rear derailleur (long cage) – $565.00\u003c\/li\u003e\n\u003cli\u003eBT-DN320 rear derailleur battery – $55.00\u003c\/li\u003e\n\u003cli\u003eEC-DN100 battery charger – $45.00\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eTotal: $1,855.00\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e GRX Di2, 12-speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShifting:\u003c\/strong\u003e Di2 electronic with wireless levers. On 2x, the derailleurs are wired to an internal battery. On 1x, the RD-RX827 is fully wireless and runs on its own removable battery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrakes:\u003c\/strong\u003e Hydraulic disc, flat mount\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCassette compatibility:\u003c\/strong\u003e 2x works with 12-speed HG cassettes up to 11-36T. 1x is built for 10-51T 12-speed cassettes on a MICRO SPLINE freehub.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x left lever:\u003c\/strong\u003e A left ST-RX825 is included so you have programmable buttons. A brake-only BL-RX825-L is available instead by request.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot included:\u003c\/strong\u003e Crankset, cassette, chain, rotors, bottom bracket and (for 2x) E-TUBE wires. Wire lengths depend on your frame, so we quote them with your order.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eSpecs and photos are from Shimano's US websites (bike.shimano.com and dealers.bike.shimano.com). Component prices are Shimano's US MSRPs as listed on dealers.bike.shimano.com (levers, derailleurs, BT-DN300), confirmed at Performance Bicycle. Where Shimano lists no price, the price is the highest regular (non-sale) price at two or more large authorized US retailers: BT-DN320 $55 and EC-DN100 $45 (Excel Sports, Competitive Cyclist, Performance Bicycle), EW-EC300 $64 (Competitive Cyclist, Mike's Bikes). Prices checked October 2026. Manufacturers can change specs without notice; ask us to confirm compatibility before you order.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch4\u003eHow ordering works\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIn-store pickup.\u003c\/strong\u003e Orders are picked up at Narrow Path Cycles, 980 Rowland Street, Clarkston, GA. If you need your order delivered somewhere else, contact us first; any shipping you arrange is at your own cost.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubject to availability.\u003c\/strong\u003e Parts are ordered from the manufacturer or distributor, and every order is subject to availability. Items can be delayed, backordered or discontinued. We'll contact you after you order to confirm availability and timing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation.\u003c\/strong\u003e Ask us about installation and compatibility with your bike; installation is quoted separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestocking fee.\u003c\/strong\u003e Returns are subject to a restocking fee, depending on what the manufacturer allows us to return. Special-order items may not be returnable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePickup verification.\u003c\/strong\u003e Bring a photo ID and the card used for your order when you pick up.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Shimano","offers":[{"title":"2x","offer_id":67692937642072,"sku":null,"price":2144.0,"currency_code":"USD","in_stock":true},{"title":"1x","offer_id":67692937674840,"sku":null,"price":1855.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0613\/7030\/2552\/files\/lcly-6b2ae0b71170b06acb63f2153cbfbe0c_30c59494-50d6-44da-bd48-1c91ba001ea3.jpg?v=1791728035","url":"https:\/\/narrowpathcycles.com\/products\/shimano-grx-rx825-di2-gravel-mini-group","provider":"narrow-bicycle","version":"1.0","type":"link"}