Black,Blueor Red anodised finish. Hanger Only -. GT Hanger Part# ATIDH0021. CNC machined from billet 6061 alloy and finished in a hard wearing Black,Blue or Red anodised coating. 6061 Alloy is sufficiently stiff to give flawless gear changes while maintaining its sacrificial role in the event of a crash or hub/derailleur/chain failure.
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