250mm Electric Bicycle Protrusion Test Stick Aluminum Alloy Diameter Of 83mm
This test stick is used for the test of "electric bicycle protrusion" in GB17761-2018 standard. It conforms to the test of the protrusion test cylindrical rod (simulated human limb) specified in GB 3565-2005 clause 3.9. The front and rear wheels of the test vehicle landed, and the vehicle body is perpendicular to the support surface, and the test cylinder rod is brought close to the exposed protrusion on the test vehicle in various possible postures. A 75 mm long reachable protrusion in the middle of the cylindrical rod is an exposed protrusion, the shape and size specified in GB 3565-2005 clause 4.2 are measured using a vernier caliper and a radius gauge.