JT Sprockets SCM420 Chromoly Steel Alloy Front Sprocket.

JT Sprockets is the world’s leading brand of sprockets for motorcycles and ATVs. Using only the finest raw materials and using cutting edge technology in their production.
JT sprockets are made using only the best available materials. Aviation-grade 7075-T6 aluminium alloy for lightweight competition sprockets, SCM420 chromoly steel alloy for front sprockets, also JT sprockets is the only sprocket manufacturer using the ultra-durable high carbon C49 steel for rear sprockets.

The JT Sprockets factory is the largest and most advanced in the world. It is fully equipped with high accuracy machinery, including the latest generation of CNC computer design and computer controlled metal cutting equipment.
The essence of a high quality sprocket is in the high precision of manufacturing and the inherent quality of the material. Through accurate machining, JT ensures maximum durability and performance.
JT Sprockets are manufactured the right way – by hobbing, machining and drilling. This is the only proven way to achieve the closest of tolerances and the most accurate teeth profiles.
Heat treated and hand finished to perfection, all JT sprockets meet or exceed the highest possible quality standards set for the motorcycle industry.

We have added to our site every JT Sprockets part number and available teeth option, to provide you more choices we have limited compatibility to the rear wheel hub hub and shaft output only, therefore we recommend to check the number of teeth of the existing sprockets before placing the order.
A great help is provided by the official JT Sprockets online catalogue, where you can double check which part number is the right for your motorcycle and also which is the oem teeth number.

Please note that moving from a different Sprocket Teeth could require a different chain size.