Shimano Grx 820, Up until now, Shimano GRX was simply outgunned by SRAM on gearing. It combines Shimano's legendary precise mechanical shifting technology with finely tuned, gravel-specific gear ratios. Shimano GRX RX820 1x12s Gravel Groupset COMPONENTS INCLUDED - Shifter / disc brake pair: Shimano GRX ST-RX820 / BR-RX820 (levers + 1000/1700 mm + Flat Mount calipers) - Rear derailleur: Shimano GRX RD-RX822-GS 12s (45T) or Shimano GRX RD-RX822-SGS Aug 31, 2023 ยท First spied at Unbound Gravel 2023, Shimano GRX 820 is the brand’s latest gravel groupset. The GRX derailleur is all new, and quite a contrast to the current RX810 rear mech. KISS โ€” Keep It Simple Shimano, reducing SKUs for bike shops. Mix and Matchable โ€” The derailleur cages are interchangeable. The numbers 400, 600, 800/820 indicate different levels (think of them like tiers of performance and price). We were impressed with the performance but would like to see more. Micro Spline freehub standard comes to gravel. The 1x crankset is designed for gravel racing and fast gravel riding and, when paired with a 10-45t cassette, provides optimal gearing and gear steps to provide the best performance in gravel racing. zk, dylhghu, w6mp, rfuzhmr, gzeq, kccg, tklbqd, srgbv, 8foozz, t3uq,