LIMITED TIME OFFER
If you’re still relying on the O-ring at the shock body to set your sag, it’s time for a serious upgrade. Most mountain bike manufacturers base sag recommendations on the shock stroke—not the actual movement at the axle. That might be convenient, but it’s not accurate.
The Slacker Virtual Fender Mount eliminates this guesswork by delivering precise, real-time 1:1 sag measurements right at the axle, instantly viewable on your remote or smartphone.
Get this exclusive special offer while supplies last!
"Amazing product! I noticed an immediate improvement in my ability to handle my bike on techy terrain when I applied the correct settings. Easy to use, quick to respond to feedback. Highly recommended."
- Brian S.
Great product! I can check sag without any help. This is a more accurate way to measure. Everything is simple to operate and good instructions. Thanks for the awesome product and support.
- Ken D.
Customer service was excellent. Tool arrived on time in perfect condition. I could instantly see the time savings. The app is good, no fumbling with notebooks, and fast data collection is easy.
- Peter H.
This is amazing and couldn’t be easier to use. You get a super precise sag measurement, by yourself, in about a minute.
- Max B.
How awesome is this? Took me literally a few minutes to use this awesome tool. I had a "home made" tool I was using, which was a huge pain, my wife hated it as well. This was simple EZ and Fast!
- Lance M
Starter Kit: SAVE $100
Pro Kit: SAVE $125
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If you're interested in this incredible tool but didn't find the information you need above, feel free to reach out. We're happy to discuss your setup and answer any questions you may have.