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Rim, 325"-8 Small 7

Part# 11891


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Sprocket Type Rim


Chain Pitch is the size of the chain, and is defined as the distance between any three consecutive rivets divided by two. Oregon chain is made in several pitches - 1/4" is the smallest, 3/8" is the most popular, 3/4” is the largest. Pitch is important because the drive sprocket must be the same pitch as the chain, and if applicable, the bar nose sprocket. The easiest way to determine the pitch of your chain is to look at the number stamped on the drive link.
Sprocket Tooth Count

Sprocket Tooth Count

Your saw may be compatible with various drive sprockets. If this is the case, a smaller tooth-count will deliver more speed, while a larger tooth-count will deliver more torque (useful on smaller saws). Tooth-count may also influence the drive link count on replacement chain.
Radial Port Included No
Rims Included No
Wear Indicator Yes
Bearing included No
Spline Size SM7

Specifications, Details & Support

Product Description

The 11891 rim has a .325" pitch and 8 teeth. Oregon rims offer the ultimate cutting system performance by providing a smoother cutting experience and less chain wear when compared to spur sprockets. The rim's radial port design uses centrifugal force to throw off sawduck and debris. Wear-depth indicators show when it's time to replace the rim. Replace the rim every two chain loops. This rim works with certain Dolmar, Husqvarna, Jonsered, Makita, McCulloch, Olympyk, Partner, Pioneer, Poulan and Stihl chainsaw models. Check the fit guide to see if this rim works with your saw.

Product Details

  • Pitch: .325", Size: Small 7 Spline, Tooth Count: 7
  • Radial port design uses centrifugal force to throw off sawdust and debris
  • Wear-depth indicators show when it's time to replace
  • For best performance, every two chain loops
  • WARNING: This product can expose you to chemicals including Nickel, which is known to the State of California to cause cancer. For more information go to
Volume 0.495 in³
Product UOM Each
Weight (with Packaging) 0.059 Lb

Model Fit Guide

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Fit Guide

Dolmar - 109
Old models
Dolmar - 110
Old models
110, 110iH,
Dolmar - 111
Old models
Dolmar - 115
Old models
115, 115i

154, 254,
Husqvarna - 254XP
For use after serial number 345-0001 with oil pump drive.
Husqvarna - 257
For use after serial number 314-0001 with oil pump drive.
Husqvarna - 262
For use after serial number 345-0001 with oil pump drive.
262, 262XP, 50, 51, 55, 55 Rancher

2051, 2054, 2055, 45, 450, 451, 455, 49, 490, 50, 51, 510, 52, 520, 520SP, 521, 525, 535, 540, 590

DCS430, DCS4300, DCS520i, EA6100P53G, EA6100PREG, EA6101P53G

DOUBLE EAGLE 57, Double Eagle 50, Titan 50, Titan 57, Titan 70

956, 962

P-400, P-500, P-5000, P-5000 PLUS, P5100

1072, 1073, 1074, 2071, 2073, 970, Holiday II, P-20, P-21, P-25, P-26, P-28, P20, P21, P25, P26, P28


MS 290


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