SLR PF30-DUB PF30轉DUB 陶瓷啤零BB

Asia Bicycle 亞洲單車 Verified independent store

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table { border-collapse: collapse; } td { border: 1px solid #666; padding: 10px; } .rotate { text-align: center; transform: Rotate(270deg); } .RowHeader { border-radius: 10px 0px 0 px 10px; background-color: #333; color: #F00; white-space: nowrap; } .ColumnHeader { border-radius: 10px 10px 0px 0px; background-color: #333; border-left: 1px solid #FFF; border-right: 1px solid #FFF; border-color: #FFF; Color: #F00; } .SubHeader { background-color: #333; color: #FFF; border: 2px solid #FFF; padding: 5px; border-bottom: none; } 兼容性: 安裝 Sram DUB 大餅於 PF30 車架 規格: Grade 3 Si3N4 陶瓷珠啤零 車架BB規格 PF30 車架BB闊度 68/73mm 車架BB直徑 46mm 大餅軸心直徑 29mm Grade 3 陶瓷珠 Balls are rated by their grade. A Grade 3 ball means that the ball is 3/1,000,000” tolerance of sphericity, and so is extremely round. In fact, the races of any bearing can't come close to this level of precision in their trueness, but every component being closer to perfect helps decrease friction. Another feature of Grade 3 is surface finish, which in this case is free of scratches or scuffs, and to a Show more