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More 9point8 Headsets Get Slack-R for ZS

More 9point8 Headsets Get Slack-R for ZS

9point8 Slack-R Zero Stack angle adjust headset ZS/EC Support us! Bikerumor may earn a small commission from affiliate links in this article. Learn More 9point8…

Friday, Jan 05

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9point8 Slack-R Zero Stack angle adjust headset ZS/EC Support us! Bikerumor may earn a small commission from affiliate links in this article. Learn More

9point8 grow to their Slack-R angle adjust headset family with new press-in ZS and EC cups that can slacken your ride out between 1-2.8°. If you’re riding a bike that you wish wasn’t quite as steep to better tackle tougher trails, a 9point8 Slack-R Get Slack-R headset might just be the ticket to getting slacker… 9point8 Slack-R ZS & EC angle adjust headsets

Play A few years ago, Canadian component maker 9point8 launched the first angle-adjustable headset that worked on bikes with IS Integrated headset cups. That original thread-together affair worked by relocating your existing IS bearings above & below your headtube, into new eccentric offset cups that sat in the old bearing races. Now, riders of bikes that have Zero Stack headsets – where alloy cups are first pressed into your frame, with their own pressed-in bearings – can get the same slacker Slack-R conversion, as well. What do you need to know?

(Images/9point8) Modern tapered press-in headsets come in essentially 2 varieties – Zero Stack (ZS) where you don’t really see the cups and External Cup (EC) where you do. The 9point8 Slack-R headset solution again works by moving the bearings of your headset, outside of the headtube and offset a few millimeters from the centerline to effectively change your headtube angle. impact of headtube length on effective headtube angle change Doing so […]

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