I recommend when changing the drivetrain to add and buy this sprocket because it has the advantages of both options - steel and aluminum sprockets. Durability is provided by the steel teeth and lightness by the aluminum base, I especially recommend if you mount this on a 125tke, where the weight on the drive wheel matters more ;)
KTM Duke 2014 ABS, the sprocket blends beautifully with the wheels. The characteristics of the gear ratios have changed as intended, the motorcycle has become much more civilized in the first two gears.
After searching the web for a 48z rear sprocket this offering appealed to me the most. The sprocket itself looks really great the aluminum part very nicely CNC finished as well as the laser printing , the steel rim itself seems to be judged solidly so far the sprocket without any reservations.
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Reliable opinion
ZF - Duralumin motorcycle sprockets to the most popular motorcycles