Description You never know when a rock will strike – everyone needs to have a spare derailleur hanger in their riding kit, If you don’t you risk getting stranded in the woods. Yeti 12×148 Boost Hanger (NOT compatible with UDH models) SB4.5 SB5 SB5 SB5.5 SB6 SB100 SB115 SB130 SB140 27.5″ SB150 SB165 27.5″
