Mount your Cygolite Hotshot Tail Light to your rear rack instead of to your seatpost with this bracket.
Fits racks with one centered mounting hole, or with two holes spaced 50mm apart.
CygoLite Helmet Mount Kit for Expilion & Metro Bike Headlights
CygoLite 3.8v 11 Ah Li-Ion Battery for Mitycross 800 Xtra
CygoLite Seat Post Mount for Hotshot Tail Light