อแดปเตอร์แกน30 Rotor Standard Road Spacer Kit for 30mm Spindle Cranks

แกน30 Rotor Standard Road Spacer Kit for 30mm Spindle Cranks - ใช้สำหรับรองกะโหลกแกน 30 กะโหลก BB30, BB Right, PF30 "The ROTOR 30 MM Spacer Kit includes two 11.5 mm spacers and two 2.5 mm spacers. This kit allows you to center and adjust any crankset that uses a 30 mm spindle."