FD-3500-B (Singapore)
Clamp Band Front Derailleur (2x9-Speed) (http://www.shimano.com/content/sac-bike/en/home/road/shifting---braking/front-deraileurs/fd-3500-b.html)
新舊如圖
另送
RD-2300 (Singapore)
Rear Derailleur (2/3x8-Speed) (http://www.shimano.com/content/sac-bike/en/home/components11/road/2300/rd-2300.html)
當中13T張力輪為bearing及CNC物料
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