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$45.00

Dual Fixed Cog 18/16

CNC machined 1-piece dual rear cog (18T and 16T) allows a gearing choice without removing the rear wheel. Just loosen the axle nuts, slide the wheel, move the chain to the other cog, set the chain tension, and re-tighten the rear axle nuts.

It's lighter than 2 separate cogs, and don't worry about alignment. It can only be used with a 3/32" chain, which has plenty of flexibility to handle a few mm of lateral positioning.

Another nice feature is that it allows yet another option for the other side of the hub, assuming it's a flip-flop hub.

Supplied with its own lock ring.

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JD
12/09/2016
jay d.

This cog works great for

"This cog works great for me. It's gives an extra option, which helps in hilly east TN. were I live. It's well made and will last the life of the bike from what I can tell"