JT SPROCKETS 520 TWINSTAR HYBRID REAR SPROCKETS - YAMAHA

The core of the JT TwinStar is a lightweight aviation grade Ergal 7075-T6 Aluminum, precision made using state of the art laser cutting and CNC machining. The steel outer ring is heat-induction hardened to create a sprocket which will last up to six times longer than a standard 7075-T6 aluminum sprocket.

-Made from the latest generation of computer design and control metal cutting equipment for maximum durability

-Fully heat treated for higher wear resistance

-Optimum design for light weight and strength

Mfg Part#

JTX251.48GR 48 Tooth

JTX251.49GR 49 Tooth

JTX251.50GR 50 Tooth

JTX251.50GR 51 Tooth

Questions on fitment? JT has a great parts selector listed below.

JT Sprockets: Catalogue