I gained some weight, so I figured I’d recheck my sag and realized I may have been doing it wrong on my coil for a year now. Ohlins tells you to measure from the stopper and compare that to the stroke length. I’ve been measuring the stroke on my shock at 75mm, but I just noticed they list it at 70mm on the site.
Should I use their stroke number? On a ride yesterday, it felt soft, but that could be all in my head from just measuring and overanalyzing. I’m already two turns down on the spring, putting the sag at 31.5% (I ride mostly park).
by Aaaassssssssa
4 Comments
You can measure on any point of reference and compare to the shock stroke (not overall length). When I had coil I had someone measure eye-to-eye, ie center point to center point of the shock mounts.
Coils can be tricky to do alone. I know Cane Creek makes a tool, but I don’t know if it’s universally compatible. If you can get a buddy and some calipers, you want to measure the eye-eye unweighted, mount with all your normal riding gear and get into good seated posture, re-measure eye to eye, subtract the original length from compressed eye-eye, divide by shock’s stroke, and multiply by 100 for %. Sounds like a lot, but an extra pair of hands goes a long way.
you see that eggwhite thing in the middle of the coil?
Push that up onto the shockbody when standing on your bike. Then measure it.
If by “the stopper” you mean the bottom out bumper, yes that’s how you measure sag on a coil. You push the bottom out bumper all the way up and then measure how much it moves when you are on the bike. The shock’s stroke is specific to the bike. It looks like your shock does have a travel spacer in the picture, but hard to tell without seeing it irl.