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Electric-assist bicycle — recall

Consumer goods · Japan · 2025-12-11

Hazard: There have been reports of the bicycle …

Diner Electric-assist bicycle: sudden unintended movement when assist button is pressed

Country	Japan
Category	Consumer goods
Published	2025-12-11
Manufacturer	Diner Co., Ltd.
Model identifiers	WO「ダブルオー」 \| GRISSE, F.C.B, M2X, M2X TWO FOUR
Units affected	942
Hazard description	There have been reports of the bicycle suddenly starting to move when the button to operate the assist power is pressed and held, posing a risk of injury due to unintended operation.
Remedy	A. Recall and parts replacement (models not compatible with BLUETOOTH) B. Mail a dedicated device to customers, and customers replace the program themselves (BLUETOOTH compatible models)
Recall number	251211-2
Official notice	View source ↗

What this means for sellers

Likely platform / channel actions	Marketplaces may delist the same or similar products, freeze or force-remove inventory (e.g. Amazon FBA) and notify past buyers.
Self-check for comparable products	Check your comparable products' design, materials and QC records against the defect described here.
Rules & standards likely involved	the destination market's product-safety rules and mandatory standards

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