Drivetrain & Transmission Tools

DMR STS Tensioner Bicycle Chain Tools Description For use with quick release axles only. Not compatible with nutted axles or thru axles.The DMR Sim...

The Chain Drive is a sleek, shop-quality chain breaker. It's designed from cast and CNC-machined steel in an ergonomically contoured shape for co...

The Classic Chain Drive is the ultimate shop-quality chain breaker. It’s designed with an incredibly robust steel body and classic wood handle ...

External bottom bracket tool for use with 32mm CNC Rod, adjustable wrench, or 3/8-inch socket drive. Compatible with many popular bottom brackets...