Box One Tri-Pak Clutch Kit - Box®
Box One Tri-Pak Clutch Kit - Box®
Box One Tri-Pak Clutch Kit - Box®
Box One Tri-Pak Clutch Kit - Box®

Box One Tri-Pak Clutch Kit

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Replacement Tri-Pack™ clutch assembly for Box One derailleurs Tri-Pack™ technology. This is an upgrade kit for Box two derailleurs as well. This is compatible with Box One and Two 11 speed, 7 speed, and Prime 9 derailleurs that currently have the Tri-Pack™ system.