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The Oregon 29175X Power Mate Rim Sprocket System is a 7-tooth, .325" pitch small 7 spline (SM7) sprocket. It is designed for every type of chain saw user. The chain and bar groove alignment is maximized, resulting in extended operational life and reduced overall costs. The sprocket's two-piece design includes a drum which allows the rim to be replaced multiple times before you need to buy a new unit. Replace every three rims.
This is a genuine Oregon product. Sohars is an authorized Oregon dealer.