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Jagwire - Index Adjusting Barrels for Bike Frames and Mechs - Pair

Jagwire

These M5 size barrel adjusters replace the barrel adjusters found in frame lugs on Road Bikes, they also work with most Shimano rear derailleurs. A useful thing to replace when servicing you bike, as old ones often rust into place and become hard to turn. 

After you have installed them, you remove the little clip before indexing your gears. Sold in pairs. 



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