Renthal Sprocket Twinring Red 50T Bi-metal Grooved S3-Heading-Timing/Cam Chain The fit is also perfect

The fit is also perfect and you won't have any trouble with the installation

Height : 37mm

programmable LED lights that blink when it’s time to shift gears or during an over-temp event

Bore Size: 47

Powercore 4 S/A CRF125F 14-18 W S/S Header FMF

Renthal Sprocket Twinring Red 50T Bi-metal Grooved S3-Heading-Timing/Cam Chain The fit is also perfectThe Renthal Twinring Rear Sprocket is a long lasting durable Off Road sprocket that was developed and tested over the course of 5 years. The unique flat face two piece design keeps weight to a minimum and maximizes durability all while keeping a narrow profile. The outer steel ring is expanded at 200C and then fitted to the aluminium inner before cooling, this process creates a permanent bond while flat socket set screws prevent lateral movement