Park Tool CC-4.2 Chain Checker

One Size

$14.99 $27.99

The Park Tool CC-4.2 Chain Checker is a quick, drop-in gauge for measuring bicycle chain wear before it starts damaging your cassette and chainrings.

Laser-cut tool contacts the chain in three points for an accurate elongation reading
Compatible with single-speed through 13-speed derailleur chains, including SRAM T-Type/Flattop, Shimano 12-speed, and Campagnolo Ekar
Marked wear thresholds at 0.5%, 0.75%, and 1.0% elongation
Simple drop-in design means no math or extra tools needed at the workbench

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PARK TOOL

Park Tool CC-4.2 Chain Checker

$14.99 $27.99

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The Park Tool CC-4.2 Chain Checker is a quick, drop-in gauge for measuring bicycle chain wear before it starts damaging your cassette and chainrings.

Laser-cut tool contacts the chain in three points for an accurate elongation reading
Compatible with single-speed through 13-speed derailleur chains, including SRAM T-Type/Flattop, Shimano 12-speed, and Campagnolo Ekar
Marked wear thresholds at 0.5%, 0.75%, and 1.0% elongation
Simple drop-in design means no math or extra tools needed at the workbench

We will work quickly to ship your order as soon as possible. Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location.

Our products are manufactured both locally and globally. We carefully select our manufacturing partners to ensure our products are high quality and a fair value.