Park Tool CC-4.2 Chain Checker Tool MFPN=11.1918.015.003 The mix of small closely

The mix of small closely spaced center knobs and longer taller cornering tread blocks is appreciated in soft or loose surfaces

firm (180-200lb)

INCLUDES BARB

With its quickness

Park Tool CC-4.2 Chain Checker Tool MFPN=11.1918.015.003 The mix of small closelyA worn bicycle chain can cause poor shifting and expensive drivetrain damage. The Park Tool CC 4. 2 Chain Checker is a drop in gauge that measures chain wear accurately. It contacts the chain in three places eliminating guesswork. Compatible with 5 to 13 speed and single speed chains it indicates wear at 0. 5% 0. 75% and 1. 0% matching manufacturer replacement recommendations. Measures bicycle chain wear accurately preventing expensive drivetrain