Trailer Parts Trailer parts electric brakessystem. Trailer parts electric brakessystem supplied by JMR Boopark. Electric brakesystem Electric brakesystem by JMR Boopark. JMR Boopark offers a complete solution with electric brake systems for full trailers, bumper pull trailer and BE trailers (Gooseneck trailers or Fifthwheels). The JMR Boopark brake system can be supplied with electric brakes or hydraulic brakes. Brake controller Brake controller von JMR Boopark records the delay of towing vehicle with a G-sensor and calculates the required brake performance on the basis of 3 components. Rims Rims of Dexstar deliverd by JMR Boopark. Handbrake Spindle Handbrake Spindle by Hermen Peters by JMR Boopark used for the handbrake system. Reese Hitch Reese Hitch coupling for your pick-up to tow a Fifth Wheel. Dexter Axle Dexter Axle delivers by JMR Boopark dealer of Dexter Axle Europe. Dexter Axle delivers axles with electric and hydraulic brakes. Dexter Axle parts Dexter Axle parts delivers by JMR Boopark dealer of Dexter Axle Europe. Dexter Axle parts for axles with electric or hydraulic brakes.