The Swiss wheel manufacturer Swiss Side has announced a safety recall for several of its HADRON carbon wheel models. The measure only affects wheels that were sold after 1 August 2024 and whose DT Swiss serial numbers are higher than 2740000. According to Swiss Side, no product defects have yet been reported for the affected HADRON wheels. Nevertheless, the company decided to take this step after its manufacturing partner DT Swiss identified manufacturing concerns during quality checks that were similar to those previously reported in its own wheels. ERC/CRC/HEC modelsn were detected. The recall is therefore being carried out as a precautionary measure and for the safety of customers. In individual cases, delamination may occur in the rim flange area of wheels manufactured by DT Swiss. The recall will be handled by DT Swiss.
Only wheels sold after 1 August 2024 and whose DT Swiss serial number is higher than 2740000 are potentially affected.
Owners of the potentially affected wheels are asked to stop using them immediately and to check the serial numbers of both the front and rear wheels. The serial numbers can be verified on the dedicated DT Swiss website at https://www.dtswiss.com/recall. The website also describes how to find the serial numbers on the wheels.
If the wheels are not affected by the recall, no further action is required. For affected wheels, customers must follow the process described on the DT Swiss website. Further communication and processing will then be handled directly by DT Swiss.
Swiss Side is recognised as an expert in innovative aerodynamic solutions. Based in Thalwil, Switzerland, the company specialises in the development of high-performance products. The HADRON wheels are among the company's core products. The models concerned differ in their rim heights, which vary between 450 and 650 millimetres, depending on the intended use, from all-road to pure racing bike applications.
The wheels affected by the recall include various model series with different rim heights. The HADRON2 All road 450 and HADRON2 All road Ultimate 450 have a rim height of 450 millimetres and are designed for use on various surfaces. The HADRON2 Classic 500 and HADRON2 Ultimate 500 have a rim height of 500 millimetres and are primarily intended for use on asphalt.
The newer HADRON3 series is affected with the Classic 550 and Classic 650 models, which have rim heights of 550 and 650 millimetres respectively. All affected wheels are made of carbon and were manufactured in collaboration with DT Swiss.

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