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ET30-External Crankset for BB30 / Bike Crankset

ET30-External Crankset for BB30

TAIPEI CYCLE d&i awards 2012

ET30-External Crankset for BB30

TAIPEI CYCLE d&i awards 2012

Compared with the currently available press-fit system, our threaded external bearing crankset ET30 overcomes the jamming of bearings and the noise caused due to the inaccurate verticality of the reaming after the welding of BB shell. Both mechanical reaction of material and torsion strength are improved due to the enlarged spindle diameter. Our patented design of the combination for the spindle structure can prevent the intrusion of water and dust into the transmission system. Chain-ring with design of lower pressure angle and wider bottom curve can extend not only the lifetime of chain-rings but also improve transmission efficiency.

Client / Manufacturer

First Bicycle Components Co., Ltd.

First Bicycle Components Co., Ltd.
Taichung, Taiwan

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Design

First Bicycle Components Co., Ltd.

First Bicycle Components Co., Ltd.
Taichung, Taiwan

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