WHEELS MANUFACTURING REPLACEABLE DERAILLEUR HANGER/DROPOUT 48 new_product Front Derailleur: Shimano GRX RX400

Front Derailleur: Shimano GRX RX400

Presta valve core tool included - simply unthread the tool from the back of the pump and tighten your valve prior to threading the hose on

9 mm seatposts

Outer diameter

WHEELS MANUFACTURING REPLACEABLE DERAILLEUR HANGER/DROPOUT 48 new_product Front Derailleur: Shimano GRX RX400Precision engineered replacement derailleur hanger from Wheels Manufacturing, crafted in their Colorado workshop to exacting tolerances. The 48 model ensures perfect alignment and reliable shifting performance. Built to restore your bike's drivetrain geometry with the accuracy of original equipment. Features CNC machined 6061 aluminum Black anodized finish Attaches to frame with (1) M4x8 Flat Head Screw and (1) M8 Chainring Bolt Replaces: DiamondBack