Reverse flip guide e-chain guide direct mount g4-cb black

No more chain jumping off! the flip guide is the latest solution which gives you a lightning fast adjustment. For easy chain cleaning or crank removal you can flip the top guide into the service position by hand. After work is done simply return the guide to the raiding position until it snaps firmly into place. Thus your chain runs safely on the roughest tracks. - for direct mount assembly - weight: 29 g - material: plastic - easy installation without disassembly of the crank - micro adjustment system for fine tuning - compatible with oval chainrings no more chain jumping