Park CC-3.2 Chain Checker Tool - for 3/32" and 1/8" Chains 1 3/4" S-7 Spindle: 9/16"Color: Silver / Silver

Spindle: 9/16"Color: Silver / Silver

Fits metric M30x1mm BMX hub threads

Size (empty): (W) 0

5 (ISO 622mm)Color: Purple

Park CC-3.2 Chain Checker Tool - for 3/32" and 1/8" Chains 1 3/4" S-7 Spindle: 9/16"Color: Silver / SilverThe CC 3. 2 is a go no go gauge designed to accurately indicate when a chain reaches . 5% and . 75% "stretch," the points at which most chain manufacturers suggest replacement For 1, 5, 6 ,7, 8, 9 and 10 speed chains, replace chain just as the gauge fits the 0. 75% side fits flat into the chain for 11 and 12 speed chain, replace as the 0. 5% side fits Long, accurate and features permanent measurement markings Works on most chains from single to 12