



JT Sprockets Standard Steel Sprocket 329 - 520 — Manufacturer reference: JTF329.12
Designed for replacement or adjustment of gear ratios, this JT Sprockets sprocket is aimed at urban riders and roadster owners looking for a reliable and easy-to-install transmission part. Its design adheres to JT standards: CNC machining and SMC420 steel alloy for mechanical durability suited to chain stresses.
Ideal for daily city commutes as well as roadster use, this sprocket can be easily replaced during a primary transmission service. It is particularly suitable for 125 cc models such as:
As an original JT Sprockets part, reference JTF329.12 is a proven option for achieving good final torque or slightly modifying the gear ratio without changing the quality of the chain/sprocket engagement.