Handlebar Stem Loading Tester

Parameters

Applicable Standards

• GB/T 14746-2025

Test principle

1. 1. Clamp the stem on the fixture and fasten it strictly according to the minimum insertion depth marked on the product.
   2. Install the matched simulated handlebar tooling.
   3. The equipment applies the specified test force forward at 45° to the axis of the stem (500N for children's bicycles per national standard).
   4. Maintain the force for the specified time. After unloading, inspect as follows.
   5. The stem shall have no fracture or cracks.
   6. Permanent deformation: it is qualified if the deformation is ≤20mm per 100mm of rod length.

Company Profile

PACKING AND TRANSPORTATION

FAQ

How to install and use the product?

The product is shipped with an operating instructions and video of English version.or we will send you an operation video to teach you how to install and use the product with English speaking. However, if you need us to teach you face to face, please let us know in advance.

How about the packing for machine, is it safely protected during transportation?
Our machine is packed by standard export wooden box, it won’t be damaged. We’ve delivered many testing machines abroad by sea or by air without damage.

           Dongguan Dongjun Testing Equipment Co., Ltd. is a high-tech enterprise specializing in the research, development, production, and sales of testing equipment for furniture, home goods, toys, textiles, footwear, and more. The company complies with numerous domestic and international standards, including Chinese standards (GB, GB/T, QB/T), European standards (EN, ISO, BS), American standards (ASTM, ANSI, BIFMA, UL), Australian standards (AS), and Japanese standards (JIS). It also manufactures non-standard instruments, electrical automation systems, and offers professional services.

          With a highly skilled team and over a decade of experience in third-party testing, the company not only understands testing requirements but also prioritizes customer experience. It boasts expert CNC designers, precision calibration specialists, and multidisciplinary talent in product design, delivering high-tech products with elegant aesthetics, user-friendly functionality, and a commitment to innovation.

        The company maintains a robust quality system, excellent after-sales service, and a professional workforce. From software development to hardware design and manufacturing, its close collaboration with third-party testing institutions has built a solid technical foundation. Adhering to the principle of "Quality First, Customer Supreme," the company upholds the philosophy of "Quality First, Continuous Innovation," providing high-quality products and comprehensive after-sales service to meet customer needs!