Topeak explorer uni pannier rackthis one size fits all aluminium tubular rear rack is equipped with adjustable legs to fit most 24 to 29 wheel mtb and 700c touring bikes this tough tubular rack is perfect for touring commuting or running errands in town the mtx quicktrack plate is compatible with any topeak mtx trunkbag mtx rear basket and most other rack packs and panniers on the market features material 6061 t 6 hollow aluminium attachments frame rack bosses compatibility mtx tru