JT. Steel Self-Cleaning 1590 - 520 Gearbox output pinionRef : JTC00954A / 1074277002

JT Sprockets Steel Sprocket Self-Cleaning 1590 - 520 (Manufacturer part number: JTF1590.14SC): rear sprocket dedicated to motocross, designed for muddy and demanding tracks. Machined in CNC from high-strength SMC420 steel, this 14-tooth sprocket with a 520 pitch combines durability and behavior suitable for transmission constraints.

• Material: high-strength SMC420 steel
• Teeth: 14 (tooth profile 1590)
• Chain pitch: 520
• Version: "Anti-mud" self-cleaning finish to facilitate the removal of particles and limit clogging
• Machining: CNC for precise geometry and a clean fit on the chain

Designed for off-road riders, this JT Sprockets sprocket offers a lightweight design that helps maintain a stable gear ratio without unnecessary excess weight. The treated surface and anti-mud geometry promote the ejection of dirt and stones, useful on special stages and during corner exits.

Common compatibilities (examples): YAMAHA YZ 250 F (2026), FANTIC XX 125 (2022), GAS GAS EC 450 F (2015). Check the pitch and number of teeth compatibility with your chain and front sprocket before installation.