Spur chain sprockets are durable, economical, easy to use, and very popular. The chain driving portion of the sprocket and the clutch cup are fused together. ..
Spur chain sprockets are durable, economical, easy to use, and very popular. The chain driving portion of the sprocket and the clutch cup are fused together. So when it wears out, you need to replace the whole component. The economic design makes it popular for consumer.
This professional drive system includes a splined drum (clutch cup) with a replaceable rim . The rim floats freely on the spline, allowing the saw chain to al..
This professional drive system includes a splined drum (clutch cup) with a replaceable rim . The rim floats freely on the spline, allowing the saw chain to align with the groove of the bar. So when the rim wears out, you just need to replace the rim to save your money.
Rim float on the splined hub of the drum and moves side to side, allowing the chain and rim to align with the bar as the chain travels around the bar groove. ..
Rim float on the splined hub of the drum and moves side to side, allowing the chain and rim to align with the bar as the chain travels around the bar groove. The rim bears most of the sprockets wear, and by being replaceable, it extends the overall life and value of the sprocket system.