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Our family of riders and mechanics pushing World Cup downhill to be a little weirder and a little wilder for more than a decade.

Our UCI World Cup XC team is made up of four Italian heroes 

We strive to create the very best suspension feel for every model in any category, and doing so means utilizing various designs that can be optimized for that use.

Measuring Saddle Rail Height 

The stack height of different saddles can vary significantly between brands, models and setup. To account for this variability, measure the distance (in millimeters) from the center of the bottom bracket to the middle of the saddle rails on your bike. Using this measurement should transfer over directly from your current setup to your new bike and/or post. This is the measurement you will input into the calculator.

This tool is to help you determine the maximum and minimum dropper post length you can fit in your frame given your saddle height. Select your bike model, frame size, and saddle rail height to see what dropper posts will fit.

*You are approaching the limit of insertion depth on your frame. Due to manufacturing differences in the seat post, frame, and cable housings, you will need to physically check to ensure that your combination of parts will work. Your local Santa Cruz dealer can help you check this.

Some seat posts such as the OneUp V3 have built in functionality allowing users to shim down the dropper post length. This calculator shows compatibility for full length (unshimmed) posts. To see compatibility in ‘shimmed’ positions for shimmable posts, add the maximum shim height to your saddle rail measurement. (ex: My rail height is 680mm, I can run a 180mm post. The OneUp V3 can be shimmed down 20mm. I input 700mm rail height to see if I can run a 210 shimmed down to 190mm)

Head over to the shop and take a look at the OneUp V2 Dropper and the OneUp Remote! 

Available in 120mm, 150mm, 180mm, and 210mm travel. Every post can be shimmed down in travel by 10 or 20mm so you can dial in your perfect length.

Santa Cruz Bicycles | Dropper Post Compatibility

This tool is to help you determine the maximum and minimum dropper post length you can fit in your frame given your saddle height. Check it out!

FACTORY SALE

Limited time only. Subject to availability.

Dropper Post Calculator