close-up of maintenance on a bicycle gear system, cassette sprocket, outdoors - 變速裝置 個影片檔及 b 捲影像00:20踩單車
close-up footage of bicycle chain split for a maintenance in bright natural setting - 變速裝置 個影片檔及 b 捲影像00:20
close-up of maintenance on a bicycle gear system, cassette sprocket, outdoors - 變速裝置 個影片檔及 b 捲影像00:28踩單車
man video calling for professional mechanic to investigate bicycle derailleurs gear for repairing - 變速裝置 個影片檔及 b 捲影像00:34踩單車
close up of rear derailleur on a mountain bike moving. bicycle assembly of parts and testing. - 變速裝置 個影片檔及 b 捲影像00:34
close up of rear derailleur on a mountain bike moving. bicycle assembly of parts and testing. - 變速裝置 個影片檔及 b 捲影像00:25
bike mechanic works on rear derailleur pulley as bicycle wheel spins in repair shop - 變速裝置 個影片檔及 b 捲影像00:08
skilled bike mechanic works on pulley with his hands as bicycle wheel spins in repair shop - 變速裝置 個影片檔及 b 捲影像00:13
bike mechanic works on rear derailleur pulley and tightens screws as bicycle wheel spins in shop - 變速裝置 個影片檔及 b 捲影像00:12
closeup shot of spinning bicycle disc brake and rear cassette rotating during outdoor ride - 變速裝置 個影片檔及 b 捲影像00:07
closeup shot of bicycle cassette and spinning wheel rotating during outdoor cycling ride - 變速裝置 個影片檔及 b 捲影像00:17踩單車
close-up footage of bicycle chain split for a maintenance in bright natural setting - 變速裝置 個影片檔及 b 捲影像00:15
close-up footage of bicycle chain split for a maintenance in bright natural setting - 變速裝置 個影片檔及 b 捲影像00:08
close-up of maintenance on a bicycle gear system, cassette sprocket, outdoors - 變速裝置 個影片檔及 b 捲影像00:10
rotating bicycle chain, close up. bike gear. bicycle workshop, maintenance and service. mechanic repairing road bicycle - 變速裝置 個影片檔及 b 捲影像00:22
rotating bicycle chain, close up. bike gear. bicycle workshop, maintenance and service. mechanic repairing road bicycle - 變速裝置 個影片檔及 b 捲影像00:17
rotating bicycle chain, close up. bike gear. bicycle workshop, maintenance and service. mechanic repairing road bicycle - 變速裝置 個影片檔及 b 捲影像00:15
