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香港洪昌科技發展公司 |
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自行車自動變速器 |
Automatic Gear Shifter For Bicycle |
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中文產品說明 |
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本產品無需用電及任何電子零件或儀器,安裝也容易,不怕風吹雨打,採用密封式設計,全機械式運作,完全根據當時行車速度而自動調較合適檔位,能達到省力和提速的目的。
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負責人:郭冠良 電話:(852) 2773 0073 傳真:(852) 2773 0707 地址(中): 香港九龍紅磡鶴園街2G恆豐一期三樓C1室 地址(英): Flat C1, 3/F, Phase 1 Hang Fung Industrial Building, 2G Hok Yuen St., Hung Hum, Kowloon, H. K. E-mail:hongchang@biznetvigator.com Website:www.hongchangsz.com |
英文產品說明 |
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This products does not need batteries or other device to operate, It can be used with just an easy installation, with its sealed outer shell design and full mechanical operation. This device would automatically shifter the gears of the bike to a proper position according to the relative speed of the bicycle, thus maximizing efficiency in terms of energy saving and acceleration. |
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