Thread: Help with a few small upgrades
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Old 07-09-20, 03:55 PM
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noobinsf 
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This page suggests you should be able to get to a 28-tooth large cog, and the 26-tooth chain wrap should accommodate the 52-42 rings with 14-28 freewheel: VeloBase.com - Component: Shimano RD-1050, 105

I've had good luck with Sunrace, and they make a 6sp 14-28: https://www.amazon.com/SunRace-Speed.../dp/B07C1533KF

As noted above, you'll need a longer chain.
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