Bosch Gen 4-38T

顏色選擇

EP Black

產品說明

Maximum durability

High efficiency

High-end Chromoly hardened steel

Easy upgrade

Direct Mount


規格

38 teeth |1/2"x 11/128" and 1/2"x 3/32"| Chain line : 47.5mm, 50mm, 52mm


適用車款

電動自行車