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M-pulse Hub
Designed to fit
which makes ghost shifting impossible while also reducing shift force
Pulley Compatibility GX DH 7 Speed
GRX Di2 RD-RX815 Rear Derailleurs Road M-pulse HubGRX Di2 11 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: 17T Total capacity: 40T Low sprocket: Max. 34T Min. 30T Top sprocket: 11T Attributes Max Front Difference 17T Maximum Cog 34T Minimum Cog 11T Primary Color Grey Cage GS RD Capacity 40T RD Spring Type Shadow Plus RD Weight 287g Speed 11 Mount