This Long-life value XRing Chain and Steel sprocket kit includes ProX
Steel rear sprocket manufactured from Premium quality Steel for longer
life than Aluminium Sprockets ProX lightweight front sprocket includes
lightening holes for increased performance and self cleaning dirt
grooves to ext..
. Exclusively manufactured for ProX Racing Parts by a reputable and leading OEM factory in Japan .
Pins features special treatment providing an extremely hard coating
leaving softer inside to increase strength while reducing overall chain
wear . Pins are heavy press-fitted and do have quad sta..