Specialized Derailleur Hanger Rev. 2 Mountain QR kmc One oversized spindle to work

One oversized spindle to work across every bottom bracket specification

2016 Roubaix SL4 Sport SRAM Disc

Large cut outs in the design pattern ensure good ventilation and contribute nicely to keeping the rotor cool to prevent bending and warping

Simply press and hold the button and you can go from a bright red taillight to a simple white headlight in seconds

Specialized Derailleur Hanger Rev. 2 Mountain QR kmc One oversized spindle to workThis hanger is compatible with: Model Years Sirrus X 3. 0 20202027 Sirrus X 3. 0 EQ 20222027 Sirrus X 3. 0 Step Through 20252026 Sirrus X 3. 0 Step Through EQ 20222027 Sirrus X 2. 0 20212027 Sirrus X 2. 0 EQ 20252027 Sirrus X 2. 0 Step Through 20222027 Sirrus X 2. 0 Step Through EQ 2025 Sirrus X 1. 0 20252026 Sirrus X 1. 0 Step Through 20252026 Sirrus 3. 0 20212023 Sirrus 3. 0 EQ 20222023 Sirrus 3. 0 Step Through 20212023 Sirrus 3. 0 Step Through EQ