RENTHAL Twinring™ Rear Sprocket - 49 Tooth - Black 1500-520-49GPBK Battery Cable Tech-Air® Ready with left arm

Tech-Air® Ready with left arm slot for Tech-Air® 10 LED display

Include six springs per set

Protects against power robbing dents and increases horsepower by elevating gas flow temperatures

Hook-and-loop-material waist adjustment for improved riding fit

RENTHAL Twinring™ Rear Sprocket - 49 Tooth - Black 1500-520-49GPBK Battery Cable Tech-Air® Ready with left armInner ring is the same high strength Ultralight 7075 T 6 aluminum used for the standard Renthal sprocket Outer ring is electro less nickel coated steel for ultimate durability and is designed with the minimum amount of material to keep weight down The outer ring is expanded at 200C and then fitted over the inner; this interference fit combined with the wave pattern ensures a permanent bond for the life of the chainwheel The flat socket head screws add