Description
Shimano GRX 825 12-Speed Di2 Groupset Bundle Electrifying Shimano’s 12-speed gravel component family, the new 2x12-Speed GRX RX825 Di2 components combine Shimano’s unrivalled electronic shifting with optimised gearing options for riding, racing, and all-day adventures. The new suite of electronic Di2 parts features dual control levers refined for comfort and control, a SHIMANO SHADOW RD+ equipped rear derailleur for better chain management, and a gravel-optimised front derailleur for precise shifting. Designed for gravel riders who live to be in the moment, venture down lonely, unknown dirt roads, and take on routes and races with unpredictable outcomes, Shimano GRX 12-speed Di2 delivers precise, reliable, distraction-free performance in all conditions. Evolved Di2 Platform: The redesigned Di2 system offers fast, precise shifting and a wireless cockpit design for ultimate performance and absolute reliability. Like its 12-speed DURA-ACE, ULTEGRA, and SHIMANO 105 Di2 siblings, the new GRX Di2 system is wired where it makes sense, featuring a central, multi-port battery that supplies stable, long-lasting power to both front and rear derailleurs. Smaller diameter wires connect directly from the battery to each derailleur, eliminating the need for junctions and streamlining the build process. The central internal battery also simplifies charging and remains secure over the roughest roads, trails, or whatever less-travelled path a rider may choose. The GRX Di2 system features a wireless, gravel-specific cockpit where raised hoods with a ribbed surface texture and anti-slip brake levers provide ultimate hand security, no matter how challenging the ride gets. This secure hand position is further enhanced, as it was with the original GRX RX815 Di2 Dual Control Levers, by the placement of the third Di2 button on the inside of the hood. Advanced Gravel Drivetrain: Optimised 12-speed gearing provides unrivalled efficiency, and Shimano’s proven HYPERGLIDE+ technology ensures seamless shifting in any situation. Refined Interface and Ergonomics: GRX offers unparalleled ergonomics, a cleaner cockpit design, and ultimate customisation, achieving the perfect balance of comfort and grip. In the box: RX825RF: ST-RX825 GRX Di2 12-speed STI with BR-RX820 caliper RX825LR: ST-RX825 GRX Di2 2-speed STI with BR-RX820 caliper RDRX825: RD-RX825 GRX Di2 12-speed rear derailleur, max 36T FDRX825F: RX825 GRX Di2 12-speed double braze-on front mech BTDN300: BT-DN300 Di2 internal mount battery, 3-port EWEC300: EW-EC300 battery charging cable, 1700mm EWSD300IL090: EW-SD300 E-tube Di2 electric wire, 900mm EWSD300IL120: EW-SD300 E-tube Di2 electric wire, 1200mm FCRX8202C81: FC-RX820 GRX 12-speed chainset 48/31, Hollowtech II CSHG71012136: CS-HG710 12-speed cassette, 11-36T CNM8100126Q: CN-M8100 XT/Ultegra chain with quick link, 12-speed, 126L RTCL800SI: RT-CL800 Ice Tech FREEZA rotor with internal lockring, 160mm x2
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