The ortlieb sport packer classic pannier the compact size of the pannier makes it the perfect pannier for short tours as front pannier with additional storage room for the lowrider or for children bikes simple mounting and removal from the rack is guaranteed by the ql21 fixing ortlieb sport packer classic pannier features universal pannier pair for lowrider or rear rack can be used individually or as pair as small rear pannier or for the lowrider sides of ps490 nyl