Specialized: Sirrus LTD: 2007-13. Specialized: Sirrus Pro: 2007-11. Specialized: Sirrus Series: 2017. Derailleur Hanger 100 for Specialized Part Number 9896-4220 or 9890-4232. This high-quality derailleur hanger is made of CNC-aluminum material and is designed to fit your bike perfectly.
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