KMC Sprocket 38T Bosch 4 52.0 gen4

38t

Hardened chrome-molybdenum steel

For Bosch 4 systems

Maximum performance that saves battery life

Direct mount, 9.0 mm offset

Perfectly matched to KMC chains

e1 / e8 / e9 / e10 / e11 / e12

Item no.: BCRB4RL15238S3

Size: 1/2 x 11/128

Color: Black