Renthal Sprocket Twinring Silver 49T Bi-Metal Grooved Type_Heavy Duty Tube 2 external and 3 inner

2 external and 3 inner pockets

47mm diameter six-pin design

Steel inner casing that is tightly coiled for low compression

160PSI Max Pressure

As the highest-end Sena model supporting Wave

Renthal Sprocket Twinring Silver 49T Bi-Metal Grooved Type_Heavy Duty Tube 2 external and 3 innerThe 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