Bosch Purion 400 Retrofit Kit 35.0mm (BHU3500) - The smart system MFPN=11.4118.091.844 FSA (Full Speed Ahead) Headset

FSA (Full Speed Ahead) Headset Small Parts

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Dyna-sys11 cassette with "Rhythm step" gearing for closer gear ratios and smoother shifting performance

} A new 36mm chassis to deliver exceptional control

}RockShox Rear Shock Moutning Hardware - 3-Piece Metric 18

Bosch Purion 400 Retrofit Kit 35.0mm (BHU3500) - The smart system MFPN=11.4118.091.844 FSA (Full Speed Ahead) HeadsetBosch Purion 400 Retrofit Kit 35mm. Bosch head unit parts for Purion Intuvia and Kiox.