I put these on single speed bikes that are used off road, to make the bike easier to pedal. The original cogs usually have 18 teeth, and changing to 22 teeth makes a worthwhile difference. The chain must be lengthened. Pay attention when you install the snap ring. This cog may be a tad thicker than the original and you may need to discard the dust cover under the snap ring. The alternative to a larger rear cog is a small front cog. That eliminates the need to lengthen the chain (but you may need to shorten it). But front cogs of suitable size are less readily available.
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Replaced my original 18 tooth S-A cog with this 22 tooth cog for better (and lower gear-inch values). Perfect fit for my 3 speed S-A AW hub (from 1973). Dished side out on my Raleigh Sports. Be sure to buy and replace the chain ... you'll need something longer (and newer isn't a bad idea either).
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Fit my rear wheel after I took off some??? odd spacers for a 3/32 sprocket running on 1/8" chain. The bike that needed a gear change was of questionable design origin. Runs fine on 1/8 inch chain.
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Nice chrome , fit on both a Bendix and strumey Archer hub , 3 spline coaster brake and a 3 speed coaster brake hub strumey archer. 22t much easier pedaling than a 18t sprocket.
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Its a factory piece
Verified purchase: Yes | Condition: New
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