Chain Checker

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I’m probably doing mechanics a disservice by divulging our tricks of the trade, but this little tool by Park Tools is a must for every cyclist. By checking your chain regularly you alleviate poor shifting and uneven drive chain wear.

Simply insert the Chain Checker pins in to two links, press the swing arm tight and check the gauge window for an accurate reading: new chain reading .25-5; Replace when reading is .75.

Seriously, by checking your chain regularly you will save that rear cassette and chain rings.

~ Mark