Unlock maximum chain speed for your professional saw with the STIHL .325" 9-Tooth Rim Sprocket. By increasing the tooth count to 9, this sprocket significantly boosts chain surface speed, making it the preferred choice for professionals performing high-speed limbing or cutting through smaller-diameter softwoods with high-output powerheads.
The floating rim system allows the sprocket to slide along the splined hub of the clutch drum. This ensures that your chain stays perfectly centered and aligned with the guide bar groove, reducing lateral friction and heat buildup. This design not only improves cutting efficiency but also extends the life of your bar and chain. Built from hardened steel, this sprocket is designed to withstand the extreme RPMs and torque generated by STIHL's mid-to-large professional series saws.
Performance Note: A 9-tooth sprocket is a specialized "high-speed" option. It is designed for applications where rapid clearing and chain speed are prioritized over pure lugging torque.
Key Features & Benefits
- Extreme Chain Speed: 9-tooth configuration provides significantly higher RPMs for rapid cutting and thinning operations.
- Floating Rim Technology: Automatically aligns the chain with the bar track for smoother operation and less vibration.
- Industrial Durability: Manufactured from high-strength, hardened steel to resist the heat of professional timber work.
- Efficient Maintenance: Replace only the rim when worn rather than the entire drum assembly, reducing long-term repair costs.
Technical Specifications & Fitment
| Manufacturer Part Number | 0000 642 1239 |
| Chain Pitch | .325" |
| Tooth Count | 9-Tooth |
| Fits Professional Models | MS 340, MS 360, MS 361, MS 362, MS 440, MS 441, MS 460, MS 461 |
| Fits Classic Models | 034, 036, 044, 046 |
