These Givi PL4121 Pannier Holders Kawasaki Versys X 300 2017 on models are designed to accept Givi Monokey Cases. These Pannier Rails can be fitted independently or in conjunction with a Givi Top Box Carrier or the Kawasaki Rear Rack. The two side rails, rear linking bar, the instructions and all the necessary fittings are included. Please note that these pannier rails are designed to take the original Monokey cases such as the Givi TRK33, Givi TRK46, Givi E22 and the Givi DLM36 Cases and not Givi Outback Trekker Cases, Givi V35 or Givi V37 cases. The Givi PL fitting system is incredibly light, functional and durable and is manufactured from Black tubular steel and is designed to enhance the motorcycles profile; its simplified structure allows easy assembling and disassembling.