適用於 P/T Line 原廠輪組，可直接安裝升級。
• 一體成型設計，剛性高、傳動穩定不鬆動
• 熱處理強化結構，具耐磨與耐用特性
• 寬齒比配置，適合爬坡與城市通勤
• 齒比：11T-13T-15T-18T-21T-24T-28T
Unibody 7-Speed Cassette
Compatible with P/T Line stock wheelset, easy direct upgrade.
• Integrated one-piece design enhances rigidity and drivetrain stability
• Heat-treated construction improves wear resistance and durability
• Wide gear range ideal for climbing and urban commuting
齒比：11T-13T-15T-18T-21T-24T-28T
台灣地區買2,000元免運、海外地區滿10,000元免運
Free shipping for orders over NT$2,000 in Taiwan; free shipping for international orders over NT$10,000.
