Online Catalogue
JTR1307ZBK (Heat-Induction Hardened Zinc Black Rear Sprocket)
Available sizes: 41, 42, 45
Material: Heat Induction Hardened C45 High Carbon Steel
Alternative type: JTA1307BLK (Racelite Aluminium Rear Race Sprocket), JTR1307 (Steel Rear Sprocket)

