Tektro Orion HD-M750 Disc Brake and Lever - Rear Hydraulic Post Mount Black Model=XTR Di2 SM-FD905 Front Derailleur Adaptor Rotor Size (mm) 180 Pad

Rotor Size (mm) 180 Pad Compatibility All Pad Compounds Rotor Type Two Piece Hub/Disc Compatibility 6-Bolt

Color Black Lower Stack Height 4

}Wolf Tooth Premium Headset - EC34/28

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Tektro Orion HD-M750 Disc Brake and Lever - Rear Hydraulic Post Mount Black Model=XTR Di2 SM-FD905 Front Derailleur Adaptor Rotor Size (mm) 180 PadTektro Orion HD M750 Disc Brake and Lever Rear Hydraulic Post Mount Black. The Tektro Orion HD M750 Disc Brake system offers high power and controllable braking. This 4 piston brake is suitable for e bikes with center motors. 4 piston disc caliper offers high power and controllable braking 2 finger brake lever Open system Recommended for e bikes with center motors Easy installation adjustments and maintenance Compatible with I spec II and Matchmaker