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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
the GRX BR-RX400 hydraulic disc brakes provide greater control
Fastest race wheel on gravel
and track-specific carbon laminate
Wear it all day
GRX RD-RX400 Front Derailleurs MTB the GRX BR-RX400 hydraulic discGRX 10 speed rear derailleur for double cranks Adjustable chain stabilizer prevents chain slapping and drops Gravel tuned clutch tension can be toggled ON OFF to match the terrain Maximum front difference: 16T Low sprocket: Max. 36T Min. 30T Top sprocket: 11T Attributes Max Front Difference 16T Maximum Cog 36T Minimum Cog 11T Primary Color Black Cage GS RD Capacity 41T RD Spring Type Shadow Plus RD Weight 303g Speed 10 Mount Standard
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