JT Sprockets Rear Sprocket, 42-Tooth Aluminum, Black (JTA703.42BLK)

Upgrade your motorcycle’s final-drive performance with the JT Sprockets JTA703.42BLK rear sprocket. Designed for riders who demand dependable power transfer and long-lasting performance, this 42-tooth sprocket combines lightweight construction with precision manufacturing. Its black finish provides a clean, durable appearance suitable for a wide range of motorcycle applications.
Manufactured from aviation-grade 7075-T6 aluminum alloy, the JTA703.42BLK is engineered to deliver an excellent balance of strength and reduced weight. The lightweight design helps minimize rotating mass, while CNC machining provides accurate tooth profiles and consistent fitment. This combination supports smooth chain engagement and reliable performance during street or track use.
JT Sprockets incorporates a special self-cleaning design to help clear dirt and debris from the sprocket and chain interface. Each sprocket is hand-finished for quality control and a precise final appearance. The 42-tooth configuration is intended for compatible Aprilia applications; always verify the motorcycle model, year, chain size, and original-equipment specifications before installation.
Built from premium materials and finished to JT Sprockets’ high standards, the JTA703.42BLK rear sprocket is a practical replacement or performance upgrade for riders seeking lightweight aluminum construction, dependable operation, and a refined black finish.

Features:

• Brand: JT Sprockets

• Part Number: JTA703.42BLK

• Application: Compatible with select Aprilia motorcycles

• Material: Aviation-grade 7075-T6 aluminum alloy

• Tooth Count: 42 teeth

• Finish: Black

• Manufacturing: CNC machined for precise performance and fitment

• Design: Special self-cleaning profile helps remove dirt and debris

• Quality: Hand-finished for a refined appearance and consistent results

• Construction: Lightweight design helps reduce rotating mass

Ships from Parts Unlimited.