S-TECH aluminum sprocket 

S-TECH ultra-light aluminum sprockets were developed specifically for the tough conditions of use in motocross and enduro. Compared to conventional steel sprockets, a S-TECH aluminum sprocket brings a weight saving of over 60%. The use of very high quality 7075 T6 aluminum and the extremely low manufacturing tolerances ensure an extraordinarily long durability. S-TECH sprockets are made by ESJOT. ESJOT sprockets are among the best sprockets worldwide

Features:

• over 60% lighter than a conventional steel sprocket. Weight approx. 300-400 g (depending on model)
• Precision CNC machined
• Axial and radial run-out accuracy less than 0.1 mm
• made of high quality and high strength 7075 T6 aluminum
• specially surface treated
• Made in Germany, Made by ESJOT (OEM manufacturer for well-known European motorcycle manufacturers)

Suitable for:

• RM 85 (from 02 ->)
• YZ  85 (from 02 ->)