As of May 2010 the partnership ended and the company began manufacturing bicycles under the KOGA brand.
[2] In 1992, Gaastra sold his company to the Atag Cycle Group, which had acquired Batavus six years earlier.
In 1993, after it was acquired by the Atag Cycle Group, Koga Miyata also produced hybrid bicycles.
Koga now produce a range of e-bikes (bicycles with an electrical assist system), city-bikes and racing road-bikes.
Additionally, Koga track-bikes have seen some success in the past decade, with the 'Koga Kinsei' frame claiming a gold medal at the UEC European Track Championships.