RENTHAL SPROCKET R 520 51T RD SC TWIN 1540-520-51GPRD honda-sj-50-bali--af32--50-1998-esi1880595 optimizes overall performance

optimizes overall performance

CNC-Machined from 6061 Aluminum

wear what works

Thoughtful Features for Bikers

RENTHAL SPROCKET R 520 51T RD SC TWIN 1540-520-51GPRD honda-sj-50-bali--af32--50-1998-esi1880595 optimizes overall performanceInner 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