Sunrace RD-R91 9 speed silver rear derailleur ModelNumber=K7428 Model Hydra2 Front/Rear Rear (Micro

Model Hydra2 Front/Rear Rear (Micro Spline) Axle/Spacing (mm) 12x148 Hole 28 Spoke J-Bend Brake 6-Bolt Color Black Weight 292g

}SRAM XX1 Hard Chrome Chain - 11-Speed 118 Links Silver

Single-sensing power meter tracks total power and cadence

}RockShox Dust Wiper Kit - 38mm Flangeless Ultra-low Friction SKF (6mm Foam Rings) - ZEB (A+/2021+)

Choose among 5 crank lengths for more exact fit with your choice of pedals

Sunrace RD-R91 9 speed silver rear derailleur ModelNumber=K7428 Model Hydra2 Front/Rear Rear (Micro9 speed road rear derailleur. High polished aluminum outer link. Composite aluminum and steel construction. SHIMANO Equivalent RD 3500 TECH SPECS 9sp 34 39 Mid 2to1 SIL 279g