Park Tool CC-3.2 Chain Wear Indicator Size:OS Aleck™ audio systems compatible

Aleck™ audio systems compatible

5     46–49/50 12–14 XXL 15–17     50–53 14–16   Kids S 9–11

Inseam: 10"

This is a popular item used by every tuner

this rear light provides reliable illumination

Park Tool CC-3.2 Chain Wear Indicator Size:OS Aleck™ audio systems compatibleDesigned to accurately indicate when a chain reaches . 5% and . 75% which most chain manufactures recommend replacement. Chain wear indicator is a simple go or no go tool. Updated to be longer, more accurate and features permanent measurement markings Accurately indicates when a chain reaches 0. 5% and 0. 75%, the points at which most chain manufacturers suggest replacement