Amazon.com : BikeHand Bike Bicycle Professional Chain Rivet Remover Breaker Tool with Spare Replaceable Driving Pin - Compatible with Shimano & Campagnolo - Single to 12 Speed and BMX Half Link :
ODYSSEY BICYCLE CHAIN BREAKER TOOL - Porkchop BMX
Park Tool CT-5 3/32 Compact Chain Tool – Northwest BMX
Chain Replacement: Single Speed Bikes | Park Tool
CT-7 Screw Type Chain Tool for 1/8" and 3/16" Chain | Park Tool
Bike Hand Pro Chain Tool 3/16",3/8" BMX/Freestyle,11 speed fit Shimano SRAM KMC | eBay