PBR Steel Standard 7005 - 420 Gearbox output pinionRef : PBR00977A / 1077769001

PBR Standard Steel Sprocket 7005 - 420 (Manufacturer Part No: 7005 12 18NC)

Designed by PBR based on their competition experience, this 7005 steel sprocket is aimed at motocross riders looking for a reliable and compact transmission part. Its 12 teeth with a 420 pitch make it a suitable drive sprocket for small displacement bikes and varied terrain (sand, dirt, mud).

• Material: High-quality 18NCD5 steel alloy
• Number of teeth: 12
• Chain pitch: 420
• Type / reference: 7005 — standard version
• Construction advantages: good resistance to corrosion and abrasion, rigorous manufacturing process

Easy to install as a replacement for the original sprocket on compatible 420 drivetrains. Ideal for competitive small displacement bikes where compactness and robustness of the transmission are essential. Particularly suitable for the following 65 cc models: KTM 65 SX (2025), HUSQVARNA TC 65 (2025), and GAS GAS MC 65 (2025).

Visible manufacturer reference: 7005 12 18NC. Check the number of teeth and the 420 pitch before installation to ensure perfect compatibility with your chain and pulley.