front derailleur assembly |
作者：不详 点击： 时间：2007-1-8 10:30:57 来源： 浙江自行车网
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front derailleur assembly 前拨链感部件
Abstract(简介)：
A bicycle front derailleur includes a frame bracket for fixing the derailleur to a bicycle frame, a cage plate for guiding a chain among a plurality of chainwheels, and a radial adjustment mechanism for adjusting a position of the cage plate substantially radially relative to the chainwheels. In a more specific embodiment, a derailleur bracket fixes the cage plate to the frame bracket, wherein the derailleur bracket defines a derailleur bracket opening. A bushing is disposed in the derailleur bracket opening. The bushing defines a bushing opening such that the bushing has an eccentric shape relative to the bushing opening. A fastener extends through the bushing opening for fastening the bushing to the frame bracket. Thus, rotation of the bushing varies the position of the derailleur bracket and hence the position of the cage plate relative to the chainwheels.
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责任编辑：风淡些 |
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