G-MA ENGINEERING CO., LTD. is the professional bicycle components manufacturer from Taiwan was founded in 2006.

Both elements of our brand name have a meaning relative to our company's philosophy:

AEROZINE, a rocket fuel in former times establishes a link to our background - aerospace engineering for weight optimized products.

TITANIUM, the most sophisticated metal - light like a aluminum, tough like steel, plays an important role in our products range.

we provide bicycles components, bicycle seatpost, bike headset, bike seat post, cassette sprocket, mountain bike bottom brackets, mtb seatpost, road bike bottom bracket, road crankset, titanium bike parts, wheel skewers, mtb double crankset, bike handle bars, mtb crankset, mtb bike handlebar, mtb bike stem, road stem.