Replacing and adjusting your rear derailleur to make sure that your gears are shifting correctly is a relatively easy task when you know how.
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Key in moving the chain up and down the cassette, rear mechs are pretty sturdy, but can over time stop working as well as they once did, or if you’re a mountain biker get ripped off entirely by rocks or roots.
Here we show you how to change your rear derailleur and how to adjust it so that it shifts correctly, using the H, L and B screws. We also look at fine tuning the shifting with the use of the barrel adjusters to sort the indexing of your gears.
Music:
Future Loop Foundation – Chasing The Tail: https://gcn.eu/10ATBKM
Future Loop Foundation – Tokyo Nocturnal: https://gcn.eu/10ATBKM
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Volcanic eruptions occur int he State about as frequently as the large San Andreas Fault Zone earthquakes. California’s “watch list” volcanoes are dispersed throughout the State and future eruptions are inevitable—the likelihood of renewed volcanism is on the order of one in a few hundred to one in a few thousand annually.
With Margaret Mangan, Scientist-in-Charge, USGS CalVO