Best External Dropper Post in 2023: Top 10 Picks

Sometimes it might be quite difficult to find the best external dropper post. With every niche market offering so many different products, it makes sense that this is the case.

Unfortunately, this very fact can make it incredibly difficult to find the item that best suits your needs, which is why we’ve put together this external dropper post buying guide.

Our Top 10 Recommendations:

Best External Dropper Post Reviews:

Bestseller No. 1
Fastace Dropper Post 125mm Travel MTB Dropper Seatpost 27.2/30.9/31.6mm Remote Internal External Cable Routing with Air Suspension
  • 【7075 Aluminum Alloy Material】Dropper Seatpost uses a high -quality aviation level 7075 aluminum, which is strong and durable, which is enough to support you to complete all the difficult moves you want to do. You don't need to worry about the danger of broken. And light quality will let your bicycle have no burden.
  • 【All Size】Dropper Seatpost has three sizes of 27.2/30.9/31.6 to choose from, which can meet the needs of most bikes on the market. If your bike is of special size, you can contact us for customization.
  • 【125mm Suspension Travel】Dropper post uses an air suspension, which can reduce the bumpy feeling brought by the cycling process and make your cycling more comfortable. And can effectively protect your body joints to avoid friction damage.
  • 【1.5m Line Control Length】The seatpost is equipped with a line control switch that can be installed on the bicycle handle, the line length is 1.5m, which can meet the needs of all bicycles. Please cut the line you do not need after the installation is completed to avoid the line affects your cycling. During the cycling process, you only need to gently dial the operating rod on the handlebar to adjust the height of the seat tube at will.
  • 【Three Styles】There are two types of seatpost: external cable routes and internal cable routes. There are two types of external cable routes: head route and central route. These all bicycles are applicable, but the middle route is more convenient to use. The internal cable is from the bottom route, and the bottom of the bicycle requires the cable that can be passed through.
Bestseller No. 3
Fox Racing Shox Transfer Factory Dropper Seatpost - Internal Routing Kashima, 31.6x125mm Travel
  • Material: Kashima-coated aluminum
  • Diameter: 30.9, 31.6mm
  • Length: [100mm travel] 357mm, [125mm travel] 407mm, [150mm travel] 457mm, [175mm travel] 505.7mm
  • Offset: zero
  • Travel: 100, 125, 150, 175mm
Bestseller No. 4
PNW Components Cascade Dropper Post, 170mm Travel, External Routing, (30.9/170mm)
  • 125, 150 and 170mm Travel Dropper Post
  • ightweight sealed alloy cartridge
  • External cable routing
  • Lifetime Warranty
  • Unless indicated with (NO LEVER KIT), Includes Puget MTB 2x Lever, cables and all required hardware. NO LEVER KIT DOES NOT include cable, housing or lever.
Bestseller No. 5
Bibike 27.2/30.9/31.6mm Dropper Seatpost 440mm MTB Dropper Post 125mm Travel Remote Internal Routing/External Cable
  • Outside diameter: 27.2mm. Length: 440mm. Travel: 125mm. Cable length: 1.5m. Cable diameter : 4.5mm. External cable dropper seatpost.
  • This dropper seatpost is made of alloy 7075 which is very strong and light (828g in weight). The maximum weight capacity can reach 200kg.
  • Note1: If your seatpost diameter is less than 27.2mm, please do not choose this dropper post. If it is more than 27.2mm, you can purchase additional seatpost adapter(seatpost shim) such as 27.2 to 28.6/30.4/30.9/31.6/33.9mm to fit your bike.
  • Note2: There is a hexagonal nut near the dropper lever, and the lifting speed of this dropper post can be adjusted by adjusting the tightness of the nut.
  • Note3: Please do not cut the cable before the adjustment is completed, please leave a certain length of cable for future adjustment.
Bestseller No. 6
PNW Components Pine 27.2mm Dropper Post, External Routing, 27.2/110mm (NO Lever KIT)
  • 27.2mm diameter dropper post
  • Unless listed with (NO LEVER KIT), dropper will include lever kit with cables. NO LEVER KIT does NOT include lever, cables or housing. CX option includes lever sized for 24mm drop bars (will NOT fit MTB bars). For MTB lever option the lever is the MTB Puget 2x Lever. Sorry, Lever substitutions are not available.
  • 90mm or 110mm travel
  • ALL NEW design resulting in 100g weight reduction!
  • Lifetime warranty
Bestseller No. 7
GANOPPER 31.6 Dropper Seatpost 100mm Mountain Bike MTB Dropper Post 31.6mm 34.9 External Rounting Cable Lever MTB Dropper Seat Post Interal Cable Routing Lever
  • [Product Specification]: Diameter: 31.6mm(34.9 seatpost shim included), Length: 410mm, Travel: 100mm.Offset: 5mm, Cradle: 43x32mm, Angle: -5 ~+18 °. Weight: approx 750g(1.65 lbs). Select this 31.6 Dropper Seatpost, you will get 2 sizes External rounting Cable Dropper Post: 31.6mm,34.9mm
  • [Easily Adjust Height]: With 31.6mm Dropper Post Cable Lever, The hydraulic system can provide enough pressure for a better riding experience,height can be adjusted freely between 0~100mm,without stopping.
  • [Quality Product]: AL7075 3D cold-forged body, strong and durable. -5~18° adjustable dual bolts head ,help saddle easily switch to proper angle. 1500mm(4.92ft) External routing Dropper Post Cable Kit, enough for you to install the 31.6 Dropper Seatpost Lever on the handlebar.
  • [Kindly Reminder]: (1) Jagwire dropper post cable kit is placed separately ,please review description page to assemble! (2) It is 31.6/34.9 mm External routing Dropper Seat Post, Please check your Frame type and top tube inner diameter, Suitable for internal cable mountain, Road, MTB, fixed gear, downhill, BMX bike etc
  • [After-Sale Service]: We are HL Corp(ZOOM) authorized distributor . If you have any problem about this mountain bike dropper seatpost , please feel free to contact us . We promise you the satisfying solutions within 24 hours.Warranty: 1 Year
SaleBestseller No. 8
MEROCA Dropper Seatpost Mountain Bike Seatpost Bicycle Wire Control 30.9mm 31.6mm External(Inside) Wiring (Black 30.9*375mm External Wiring)
  • HIGH-STRENGTH ALUMINUM ALLOY: High-Strength Aluminum Alloy Material, High Hardness, Dropper Seatpost Strong And Durable.
  • HYDRAULIC SYSTEM: Mtb Dropper Post Can Be Locked At Any Position, More Comfortable Riding.
  • DOUBLE SCREW REAR DRIFT DESIGN: Bike The Seat Post Adopts Double Screw Rear Drift Design, Both Screws Use 10.9-Level Torque, And The Screw Locking Is More Stable.
  • SEALING DESIGN: Dropper Post Sealing Ring Design, Rainproof And Dustproof, Protect The Seat Tube.Will Not Leak Oil.
  • BOTTOM DISPLAY: The Bottom Fine-Tuning Screws Are All Adjusted At The Factory And Do Not Need To Be Adjusted.Hydraulic Lift Seatpost.
Bestseller No. 9
PNW Components Coast Suspension Dropper Post with Air Suspension (31.6mm, External Cable Routing)
  • 40mm of adjustable air suspension
  • 100mm (27.2) or 120mm (30.9 & 31.6) of drop depending on diameter
  • Great for smoothing out the bumps in the road, also helps for stability when coming to a stop
  • Does NOT come with cables and housing. Lever kit sold separately, we recommend the Loam Lever.
  • Lifetime Warranty
Bestseller No. 10
KS ExaForm Speed Up Hydro Dropper Seatpost - 30.9mm, 150mm, Black
  • Black Finish
  • Defined Color: Black
  • Diameter: 30.9
  • Color: Black
  • Clamp Style: Std Rails

Last update on 2023-03-21 / Affiliate links / Images from Amazon Product Advertising API

How to find the best external dropper post?

Here, we’ll be going over a number of factors that you can use to ensure that you’re purchasing the best external dropper post for you.

Regardless of which type of item you’re looking to buy, chances are that there are existing buying guides on the internet, all of which aim to give you good external dropper post recommendations.

Despite these recommendations, however, it’s always a good idea to do your own research. In addition to this research, asking yourself the following questions is also super helpful:

  • What features does the external dropper post need to have to be perfect for my needs?
  • What is my budget?
  • Do I need to purchase a certain brand?

Once you’ve answered these questions and have a good idea of what you’re looking for and the buying process becomes much easier. Keep in mind that when looking for the best product, there’s no need to rush. In fact, very rarely are the ideal products found by choosing the first one you see or by basing your decisions on only one factor. Take your time and enjoy the process!

Now, with the answers to the previous questions in mind, we urge you to use our upcoming buying guide for external dropper post to find what you’re looking for:


In some cases, the brand of external dropper post is very important. For example, if you’re looking for an item that works in tandem with another, you might very well need both products to be the same brand. If this is the case, it’s vital to pay attention to this factor, as choosing the wrong product can mean the difference between wasting your money and buying a great product that functions as it should.


The features in any given external dropper post are important because they can dictate which version of an item you need and how much money you need to spend. Consider all the key features that you want your item to have and don’t settle for anything that doesn’t check at least ¾ of your boxes.


Customer reviews about external dropper post are crucial – especially when you’re buying a product that costs a lot of money or serves a big importance. Luckily, most products can be found online, which means that it’s common for there to be scores of customer reviews from those who have already purchased any given product.

Pay attention to these reviews. Take note of the pros and cons that they mention, and factor these into your big decision. In some cases, you’ll be forced to sacrifice one con in order to gain a particular pro, but being aware of the potential con is going to be beneficial in either case.


Of course, quality is key. You don’t want to purchase a low-quality product. If you do, you run the risk of your item breaking, not working properly, or otherwise proving to be very disappointing, as well as a waste of money.

You can compare external dropper post quality by researching what your potential purchases are made from, contrasting the individual items against each other to discern which one is made of the best materials.


Warranty isn’t always going to be important, but it definitely can be. This is especially true if the item in question is tech-related or expensive. A good warranty will be valid for an extended time after purchase and cover a variety of problems ranging from item defects to random accidents, water damage, and other miscellaneous events that could ruin your product.


The quest to find the best external dropper post can be daunting – but it doesn’t have to be. It can be made much easier by asking yourself a few simple questions and then thinking critically about the items you want to buy. Consider their features, quality, brand, warranty, and customer reviews and you’re more likely to make a great purchase.