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Shimano's latest thing, lets you use compact wide-range transmission parts with drop bar controls. Shifters and derailer are 11-speed road compatible. You can use a cassette from 11-30 up to 11-34 teeth.
Hubs, bottom bracket are available separately since those vary depending on your frame.
- RX400 GRX Rear Flat Mount hydraulic caliper, with bolts, no adapter
- RX400 GRX Front Flat Mount hydraulic caliper, with 140/160 adapter
- RX810 Front Derailer, braze-on type, down-swing
- RX810 Rear Derailer, 40-tooth total capacity, Shadow+ mounting
- RX600 Double Compact crank, 170mm, 46-30t
- RX600 Left and Right shifters, 2x11, hydraulic braking
- HG800 11-34 tooth cassette, for HG freehubs 8 to 11sp MTB, or Road with 1.8mm spacer (spacer not included)
- HG601 11-speed chain, 126 links, with quick link
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Review Shimano GRX Groupset 2x11-speed