RENTHAL Twinring™ Rear Sprocket - 49 Tooth - Black 1500-520-49GPBK Battery Cable Pre-curved finger construction for fit

Pre-curved finger construction for fit and reduction in rider fatigue

In warm weather conditions the jacket can be conveniently converted to a mesh jacket by completely removing the laminated DrystarXF® rain panel

Include six springs per set

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

RENTHAL Twinring™ Rear Sprocket - 49 Tooth - Black 1500-520-49GPBK Battery Cable Pre-curved finger construction for fitInner 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