Break It. Cut It. Put It Back Together - Birzman Chain Tools and Vital Gear Club - Mountain Bike Feature - Vital MTB
Amazon.com : Oumers Universal Bike Chain Tool with Chain Hook, Road and Mountain Bicycle Chain Repair Tool, Bike Chain Splitter Cutter Breaker, Bicycle Remove and Install Chain Breaker Spliter Chain Tool :
Amazon.com : PRO BIKE TOOL Mini Chain Breaker Tool – Compatible with 8-12 Speed Chains - Handlebar Insert - for Mountain Bike and Road Bicycle Chains – Emergency Chain Splitting While Out