The Trek Stranglehold mech Hanger CNC machined 6061 aluminum Trek Stranglehold mech Hanger Features Compatible models Farley/Stache (2016) Superfly SS (2015). Specs Black anodized finish For Stranglehold Dropouts For M12x1.75 MAXLE Thru Axle Replaces Trek Part #W504671, W539093
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