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I decide to buy a 20" freehub (cassette) wheel, do I have to specify the hub + cassette width? Yes. Many 7 speed hubs were 126mm between the drop-outs. You may also have a 130mm hub. This is very easy to measure, take the rear wheel out and measure the internal distance between the axle dropouts. Also be aware that 7 speed hubs used a slightly narrower ...


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Here is one example of high-end noise. It's called DT Swiss Ratchets. They use two individual ratchets with either 18, 36 or 54 teeth on their sides, each ratchet then is squeezed together by two springs on both outer sides. When installed, the teeth of the two ratchets face one another and are lubricated. As the bike coasts the two ratchets slide side-by-...


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Yes the Direct Drive Trainer (DDT) should work fine with your bike and yes you're on the right path... You will need a 7 speed cassette and 4.5mm of spacers for a 7 speed cassette to fit on a freehub designed for 8/9/10 speed cassettes. If the DDT has an 11 speed freehub you would need an additional 1.85mm spacer and maybe a 1mm spacer. Yeah, lots of ...


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