PARK TOOL – CRANK BOLT WRENCH

To alleviate poor shifting and uneven drive train wear, manufacturers recommend chain replacement before rear cog replacement. Now you can quickly and accurately determine the wear and stretch of any chain with the Park Tool Chain Checker. Simply insert the Chain Checker’s pins into two links, lightly press the swing arm gauge, and then check the gauge window for an accurate reading

Updated to be stronger, smoother, and more versatile, the TL-1.2 features a new material and redesigned tip for easier entry into just about any tire, including tubeless. The unique design lifts the tire away from the rim and features a spoke hook to use when multiple levers are needed.