JT Sprockets Rear Sprocket, 49-Tooth Aluminum, Black for Honda CRF125F (JTA1204.49BLK)

Upgrade your motorcycle’s final-drive performance with the JT Sprockets JTA1204.49BLK rear sprocket. Designed for the Honda CRF125F, this 49-tooth sprocket is manufactured from aviation-grade 7075-T6 aluminum alloy to provide a strong, lightweight solution for riders who demand dependable performance and reduced unsprung weight. Its black finish adds a clean, durable appearance while complementing a wide range of motorcycle setups.
Feature: Aviation-grade 7075-T6 aluminum alloy construction delivers an excellent balance of strength and low weight. CNC machining ensures precise tooth profiles, consistent fitment, and reliable chain engagement. The sprocket is also hand-finished to support a high-quality appearance and dependable service life under regular riding conditions.
Feature: Special self-cleaning design helps clear dirt and debris from the sprocket and chain interface, supporting smooth operation in challenging riding environments. The 49-tooth configuration is engineered for compatible Honda CRF125F applications and provides a practical replacement option for worn or damaged original equipment sprockets. Always confirm chain size, mounting pattern, and motorcycle application before installation.
The JT Sprockets JTA1204.49BLK combines performance-focused materials, precision manufacturing, and application-specific design in a durable replacement component. Whether used for routine maintenance or a drivetrain refresh, this black aluminum rear sprocket helps maintain consistent chain alignment and efficient power transfer. Installation should be completed using the motorcycle manufacturer’s recommended torque specifications and proper chain adjustment procedures.

Features:

• Aviation-grade 7075-T6 aluminum alloy construction

• 49-tooth rear sprocket configuration

• CNC machined for precise fit and consistent chain engagement

• Special self-cleaning design helps remove dirt and debris

• Black finish with hand-finished detailing

• Designed for Honda CRF125F applications

• Part number: JTA1204.49BLK

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