產品說明
MTB ＞ External bb(eb24) crankset ＞ MTB EXTERNAL HOLLOW FORGED
● Chainwheel:
Teeth:214:32/22T(9S) 231:36/22T(9/10S)
Material: Alloy:A,Steel:S Option
● Crankarm:
4Arm/Hollow Alloy Forged/BCD104/64
Length:170,175mm
● Spindle: CR–MO spindle 24mm
● Weight: 920g
● QF: 177mm
● EB24: BB–EB2401
● BB92: BB–BB9201