JT Sprockets Motorcycle crown Yamaha YZ 125 [125]/Yamaha YZ 250 [250]

Whether for a replacement or a gear ratio change, the sprockets and crowns JT Sprockets guarantee high-quality transmission components and increased durability.

• Aerospace-grade 7075-T6 aluminum crown with high strength (Ergal)

• Sprocket with an "Anti-mud" finish that helps to clear particles for better transmission performance.

Specifications:

• colour: Black
• material: Aluminum
• v-colour: Black
• weight (g): 292
• width (mm): 309
• height (mm): 12
• length (mm): 280
• volume (cm³): 1038
• chain pitch: 520
• crown version: Standard
• v-number of teeth: 40 teeth
• number of teeth (crown): 40