Slack-R Installation - Frames with Knock Block™
How do you know your bike has a Knock Block headset?
Follow these instructions to install a 9point8 Slack-R on a frame with Knock Block:
Remove the Stop Chip from your frame.
Follow the Slack-R installation instructions (PDF)
Click the image to download the 9point8 Slack-R Installation Instructions.
Check your that your fork cannot contact your frame's down tube.