(1) Measure chain wear First, place the small nose with the notch on a roll of the chain. Then fold the tool down towards the chain. If the long nose remains stuck, you can continue to drive the chain, your nose falls through, you should change your chain as a chain length of 0.75% is achieved.
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(2) Rivet new chain The chain change can quickly become fiddle, nerve-breaking work. The chain hooks on the back of the gauge create a remedy at this point by holding the chain on tension while you can rivet the ends without pressure.
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(3) Measure brake disc wear As a third feature, the wear gauge has two limits for brake discs from Hayes, Magura or Avid or Shimano: As soon as the brake disc fits in the appropriate groove, you should change the brake disc to ensure safe braking.
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