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OneUp V3 Dropper Post

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SKU: 1C0980

The New OneUp V3 Dropper Post — Lighter, smoother and more reliable!


OneUp's 3rd generation dropper post has been over 3 years in the making. It's better than the award-winning V2 in every way. It’s lighter, longer, smoother, more reliable and has the shortest stack and total length of any other dropper. Now you get even more drop with a OneUp post!


The new V3 is the lightest infinitely adjustable dropper on the market at any given travel. It’s even lighter than XC specific lightweight droppers. The V3 is available in the widest range of travel options and suitable for all rider weights and riding styles.

OneUp has shaved weight from almost every single part to make the V3 Dropper 60 to 70 grams lighter than the V2. The biggest weight savings come from the new hydraulic cartridge that’s fully sealed and never needs to be inflated.


Improved seals, reduced play and smoother action.

Cartridge: For smoother action, the all-new cartridge requires 75% less lever force when the saddle is loaded and much less breakaway force to initiate. That means it’s even quicker and easier to drop your saddle while riding.

Bushings: OneUp upgraded all the bushings to use a low-friction, self-lubricating IGUS material and increased bushing overlap to further reduce friction. 180-240 drop posts have an additional bushing to further support the increased overlap.

Seals: The brand developed a completely new, high-performance collar with a custom SKF wiper seal to keep dirt out and grease in. The new seal and bushings keep the V3 running smoother for longer, with less maintenance.

Pins: To eliminate rotational play without increasing friction, OneUp has doubled the number of anti-rotation pins and added 2 oversized polymer pins.

Improvements over V2

  • 60-70g lighter
  • 75% reduction in breakaway force and smoother actuation
  • New cartridge is 100% recyclable. Fully sealed and doesn’t need to be inflated
  • Low friction SKF Seal
  • IGUS bushings
  • Increased bushing overlap
  • Compressed stack height is 3mm shorter
  • Total length is 10mm shorter


  • Diameter: 30.9mm // 31.6mm // 34.9mm
  • Travel: 90mm // 120mm // 150mm // 180mm // 210mm // 240mm
  • Total Length: 295mm // 350mm // 415mm // 480mm // 545mm // 610mm
  • Compressed Stack Height: 30mm (25mm for 34.9mm)
  • Routing: Internal
  • Warranty: 2 Years
  • Weight:
    • 30.9mm
      325g (90mm) // 370g (120mm) // 415g (150mm) // 460g (180mm) // 515g (210mm) // 585g (240mm)

Service & Maintenance

  • Post can be fully disassembled using only a OneUp multi-tool in less than 10 minutes (14mm wrench, 5mm Hex, and 2mm Hex). No custom tools required
  • No need to adjust or top up air pressure
  • Longer service intervals: 120 hours for clean and grease / 350 hours for rebuild

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