781 T line Project - Installing H&H Parallelogram for Smoother Shifting and Lightweight Performance!

Unlock the full potential of your Brompton with our guide to upgrading your stock derailleur to the high-performance H&H from 2 to 7 Speed Parallelogram Derailleur. Not only does this upgrade enhance shifting precision and smoothness, but it also sheds weight and upgrades the build with its durable alloy body, replacing the original plastic components. Follow along as we walk you through the installation process, empowering you to enjoy a lighter, more responsive ride on your Brompton. Don't settle for standard when you can elevate your cycling experience with this essential upgrade!