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🚵♂️ Elevate your ride with the lightest, smoothest dropper post—because every second counts on the trail!
The OneUp Components V3 Dropper Post is a premium mountain bike seatpost featuring a 30.9mm diameter and 120mm travel. Weighing only 370 grams, it boasts the shortest stack height and total length in its class, making it compatible with all rider sizes. Engineered with ultra-low friction IGUS bushings and SKF seals, it offers a smooth, reliable ride with a remarkable 350-hour service interval. Maintenance is simplified with compatibility for common tools, backed by a 2-year manufacturer warranty.





| ASIN | B0CTP8THM8 |
| Best Sellers Rank | #86,748 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #50 in Bike Seat Posts |
| Bike Type | Mountain Bike |
| Brand | OneUp Components |
| Brand Name | OneUp Components |
| Color | Black |
| Customer Reviews | 4.6 out of 5 stars 75 Reviews |
| Global Trade Identification Number | 00628219406224 |
| Included Components | 1x Cable Barrel End, 1x Packet of Light Suspension Grease, 1x V3 Dropper Post, 2x Sets of 10mm Travel Reducing Shims |
| Item Diameter | 30.9 millimeters |
| Item Dimensions W x H | 1.22"W x 1.22"H |
| Item Type Name | bicycleseatpost |
| Item Weight | 370 g |
| Manufacturer | OneUp Components |
| Manufacturer Part Number | 1C0973 |
| Material | Aluminum |
| Material Type | Aluminum |
| Number of Items | 1 |
| Product Dimensions | 1.22"W x 1.22"H |
| UPC | 628219406224 |
| Unit Count | 1 Count |
| Warranty Description | 2 Year Manufacturer |
D**E
Solid choice for young riders
I recently installed this dropper post on my 8-year-old son's mountain bike, and overall, I'm really pleased with the quality and performance. The build feels solid and durable, and the overall weight is impressively light — a big plus when you're trying to keep a kid’s bike nimble and manageable. Installation was straightforward, even for someone who’s not a full-time bike mechanic. The only hiccup was the bolt placement on the seat attachment hardware. It’s a bit awkward to access, which made fine-tuning the saddle position more tedious than it needed to be. That said, once it was dialed in, everything held securely. Functionally, the post works well. My son weighs about 53 pounds, and while it takes a bit of effort for him to push the seat down, it’s manageable for him and he’s getting the hang of it. The added confidence and control he gets from being able to lower the saddle on descents is totally worth it. If you're looking for a lightweight, quality dropper post for a kid’s bike — and don’t mind a slightly fiddly seat clamp — this is a solid choice.
A**N
Worth it
Quick and snappy dropper .. made my old bike feel new
L**Z
Buen producto
Trabaja muy bien. Y es muy liviano
M**R
V3.1 not V3
Fyi this is the V3.1 not the V3, so make sure you follow those instructions if you are adjusting the travel. I just spent an hour very confused following the wrong instructions, then trying to get the pins out that were on the wrong side of the brass bushing. Now that it is set up it actuates very well and I got it is the perfect height.
M**E
Works way better than Fox
After two different Fox dropper posts started sticking and not extending fully despite repeated servicing, I looked for a different brand. This dropper post has worked perfectly for 6 months now. Its light and easily serviced. Totally happy.
M**O
No fuss, no muss on my Fuse 🤣
The best dropper post ever. I buy it to update my Specialized Fuse. just love it. One Up one of my favorite brands!!!
C**O
buen producto
Excelente
M**T
Solid Product!
The V3 Dropper Post is solid and very easy to install. Lightweight yet materials are robust. No lo pienses mas. ¡Este es el que necesitas!
I**D
Easy install, reputable brand.
Pricey but very easy to install and set up and supposedly very serviceable as I get through a dropper every couple of years.
Trustpilot
4 days ago
2 weeks ago