JT Gear Materials

JT sprockets are manufactured using the highest quality materials:

• Aviation-grade 7075-T6 aluminum alloy for lightweight racing sprockets
• SCM420 chromoly steel alloy for the front sprockets
• High-carbon content C49 steel for the rear sprockets

JT Quality Checks

Each sprocket undergoes 25 production stages and 10 detailed quality inspections before leaving the factory, ensuring the highest European quality standards.