Rear frame alloy drop out spacers. Fit most 10 mm rear drop out openings. Spacers will fit most Peugeot, Motobecane, Raleigh, Gitane, Schwinn and other rear dropouts, with 10 mm axle slots. Includes 2 spacers per pack. Spacers are custom made for Lovecitycycles right here in Loveland, Colorado, USA.