Decathlon was founded in France in 1976 and entered the Chinese market in 2003. Decathlon is one of the world's leading manufacturers of sporting goods, with a wide range of products, from sporting goods to outdoor recreation. Its products are known for their high cost performance and are widely marketed.
 
Decathlon's BTWIN bikes and safety equipment are of reliable quality, and their locks are tested by an independent laboratory called CNPP, giving each lock a corresponding safety level. However, this safety level can only be used as a reference for comparison within the brand, and not many other brands participate in the laboratory testing. BTWIN 900D is a more recommended lock, it belongs to Decathlon's internal security level of the highest level of products, and it has also passed the Sold Secure test, the results show that its security is in the second level (that is, "silver level"), compared with Kryptonite, ABUS's first-line products There is a certain gap. However, the industrial design and workmanship of Decathlon U-shaped locks are still relatively sophisticated, which reflect a high sense of quality, and the overall style is sporty.
 
In terms of supporting services, Decathlon provides a two-year warranty, and due to the wide distribution of its physical stores, it can bring a certain degree of convenience to Chinese consumers. In terms of price, Decathlon continues the tradition of high cost performance, and the BTWIN 900D is only sold at a price of 149 yuan.