Bosch Gen 4-38T

颜色选择

EP Black

产品说明

Maximum durability

High efficiency

High-end Chromoly hardened steel

Easy upgrade

Direct Mount


规格

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


适用车款

电动自行车