JT Sprockets JTF420.15 15T Steel Front Sprocket 420 Pitch

The JT Sprockets JTF420.15 is a precision-engineered 15-tooth front sprocket designed for 420 pitch chain applications. Built from premium SCM415 chromoly steel alloy, this sprocket delivers exceptional strength and wear resistance for demanding powersports use.

Key Features:

• 15-tooth configuration for 420 pitch chain systems
• Premium SCM415 chromoly steel construction for superior durability
• Heat-treated for enhanced hardness and extended service life
• Hand-finished for precise fitment and smooth operation
• Computer-controlled machining ensures exact tooth profile geometry
• Undergoes 10-point quality control inspection before shipping

JT Sprockets are manufactured to meet or exceed OEM specifications, making them an excellent choice for both replacement and performance applications. The heat treatment process creates a hardened surface that resists chain wear while maintaining a tough core to handle power delivery and chain tension loads.