Installation instructions: 1) Speed bumps can be installed on the surface of asphalt roads 2) To imp Installation instructions:1) Speed bumps can be installed on the surface of asphalt roads2) To improve life span, the road must be smooth. After drilling, clean up the holes and remove the dust, oil and debris from the holes. Using the special adhesive, put the bottom of the bump to the surface of the road 3) For A type road bumps, use a steel bar to link them up from the middle holes in order to strengthen the power of force resistance4) The anchor bolt and the hole must be matched in size5) Using the rubber bolts for installation on asphalt roads and anchor bolts for concrete roadsSpecifications:1) Size: 250 x 360 x 50mm2) Weight:3.7kg (middle part), 2.8kg (end part)3) Compression resistance:>200mpa4) Top expansile bolt: M12 x 40 with hexagon bolt5) Durability: Model A-I >4years, Model A-II >2years.6) Fade resistant:>Grade 7

Reflective Deceleration Bump