Simplicity is the ultimate sophistication, and our extension range delivers everything you need in a clear and streamlined offering. Choose between Standard (34 cm) or Long (46 cm), RDM or SDM. The Dynamic Pro extension is built in carbonf or the ultimate in lightweight performance, while the Dynamic extension is made from alloy, offering reliable strength at an accessible price. Whatever your needs, RRD has the right extension for you, no gimmicks, just simple, effective design.