10 Best External Components of 2026

Last updated on 03/20/2026

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PNW Components Coast Suspension Dropper Post - External Routing MTB Seatpost with Air Suspension - 120mm (30.9mm Diameter)

PNW Components Coast Suspension Dropper Post - External Routing MTB Seatpost with Air Suspension - 120mm (30.9mm Diameter)

PNW Components

Why we love it

Adjustable air suspension for comfort.
Smooths out bumps effectively.
Lifetime warranty for peace of mind.

Main Highlights

Only Suspension + Dropper Design on the Market – Provides 40mm of tunable air suspension for smoothing out bumps.
Clean Setup for Modern MTB Frames – Internal or external cable routing.
Ideal for Gravel & Hardtail Riders – Adds comfort without full suspension.
Perfect for Gravel, MTB and Commute Bikes – 27.2mm, 30.9mm and 31.6mm diameters.
Dropper Travel – 100mm (27.2mm diameter) and 120mm (30.9mm & 31.6mm diameters).
Does NOT come with cables and housing. Lever kit sold separately, we recommend the Loam Lever.

9.7

Exceptional

9.7

Exceptional

PNW Components

PNW Components Coast Suspension Dropper Post - External Routing MTB Seatpost with Air Suspension - 120mm (30.9mm Diameter)

Why we love it

Adjustable air suspension for comfort.
Smooths out bumps effectively.
Lifetime warranty for peace of mind.

Main Highlights

Only Suspension + Dropper Design on the Market – Provides 40mm of tunable air suspension for smoothing out bumps.
Clean Setup for Modern MTB Frames – Internal or external cable routing.
Ideal for Gravel & Hardtail Riders – Adds comfort without full suspension.
Perfect for Gravel, MTB and Commute Bikes – 27.2mm, 30.9mm and 31.6mm diameters.
Dropper Travel – 100mm (27.2mm diameter) and 120mm (30.9mm & 31.6mm diameters).
Does NOT come with cables and housing. Lever kit sold separately, we recommend the Loam Lever.

Value for Money

PNW Components Coast Suspension Dropper Post with Air Suspension (31.6mm, External Cable Routing)

PNW Components Coast Suspension Dropper Post with Air Suspension (31.6mm, External Cable Routing)

PNW Components

Why we love it

Adjustable air suspension for comfort.
Reduces bumps and enhances stability.
Lifetime warranty for peace of mind.

Main Highlights

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
Does NOT come with cables and housing. Lever kit sold separately, we recommend the Loam Lever.

PNW Components Coast Suspension Dropper Post with Air Suspension (31.6mm, External Cable Routing)

Why we love it

Adjustable air suspension for comfort.
Reduces bumps and enhances stability.
Lifetime warranty for peace of mind.

Main Highlights

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
Does NOT come with cables and housing. Lever kit sold separately, we recommend the Loam Lever.

PNW Components Cascade Dropper Post - External Routing MTB Seatpost - 31.6mm / 125mm Travel - Adjustable Air Cartridge - Mountain Bike Dropper (NO Lever KIT)

PNW Components Cascade Dropper Post - External Routing MTB Seatpost - 31.6mm / 125mm Travel - Adjustable Air Cartridge - Mountain Bike Dropper (NO Lever KIT)

PNW Components

Why we love it

Smooth travel options available.
Lightweight and durable construction.
Easy installation with included hardware.

Main Highlights

Designed for External Routing Frames – Perfect for bikes without internal cable routing compatibility.
Smooth, Reliable Actuation – Sealed cartridge system ensures consistent return speed and durability.
Trail-Ready Travel Options – 125mm, 150mm, and 170mm travel to match rider preference.
Easy Installation – Straightforward cable setup ideal for home mechanics.
Durable Construction – Built to withstand everyday trail riding and harsh conditions.
NO LEVER KIT - Does NOT include cable, housing or lever. Sorry, lever substitutions are not available.

PNW Components Cascade Dropper Post - External Routing MTB Seatpost - 31.6mm / 125mm Travel - Adjustable Air Cartridge - Mountain Bike Dropper (NO Lever KIT)

Why we love it

Smooth travel options available.
Lightweight and durable construction.
Easy installation with included hardware.

Main Highlights

Designed for External Routing Frames – Perfect for bikes without internal cable routing compatibility.
Smooth, Reliable Actuation – Sealed cartridge system ensures consistent return speed and durability.
Trail-Ready Travel Options – 125mm, 150mm, and 170mm travel to match rider preference.
Easy Installation – Straightforward cable setup ideal for home mechanics.
Durable Construction – Built to withstand everyday trail riding and harsh conditions.
NO LEVER KIT - Does NOT include cable, housing or lever. Sorry, lever substitutions are not available.

PNW Components Pine Dropper Post - 27.2mm External Routing MTB Seatpost - Cable Actuated Saddle Adjustment - Mountain Bike Dropper

PNW Components Pine Dropper Post - 27.2mm External Routing MTB Seatpost - Cable Actuated Saddle Adjustment - Mountain Bike Dropper

PNW Components

Why we love it

Lightweight design enhances performance.
Customizable lever options available.
Lifetime warranty ensures reliability.

Main Highlights

Made for Slim Seat Tubes - The 27.2mm diameter fits bikes that can't accommodate larger dropper posts.
External Routing Simplicity - Designed for frames without internal routing for easier installation and compatibility.
Smooth Saddle Adjustment - Reliable cartridge-based performance allows quick height changes for climbs and descents.
Great for XC & Gravel Bikes - Perfect for riders looking to add dropper functionality to lightweight bikes.
Built for Everyday Riding - Durable construction designed to handle trail miles and mixed terrain.

PNW Components Pine Dropper Post - 27.2mm External Routing MTB Seatpost - Cable Actuated Saddle Adjustment - Mountain Bike Dropper

Why we love it

Lightweight design enhances performance.
Customizable lever options available.
Lifetime warranty ensures reliability.

Main Highlights

Made for Slim Seat Tubes - The 27.2mm diameter fits bikes that can't accommodate larger dropper posts.
External Routing Simplicity - Designed for frames without internal routing for easier installation and compatibility.
Smooth Saddle Adjustment - Reliable cartridge-based performance allows quick height changes for climbs and descents.
Great for XC & Gravel Bikes - Perfect for riders looking to add dropper functionality to lightweight bikes.
Built for Everyday Riding - Durable construction designed to handle trail miles and mixed terrain.

Toshiba Canvio Basics 2TB Portable External Hard Drive USB 3.0, Black - HDTB420XK3AA

Toshiba Canvio Basics 2TB Portable External Hard Drive USB 3.0, Black - HDTB420XK3AA

TOSHIBA

Why we love it

Sleek design with smudge resistance.
Plug and play for easy use.
Quick storage expansion for devices.

Main Highlights

Sleek profile design with a matte, smudge resistance finish.Specific uses: Personal, gaming, Business
Plug and play; Easy to use with no software to install. Requires reformatting for Mac OS v10.12 /OS X v10.11 / v10.1
Quickly add more storage capacity to your PC and other compatible devices
USB 3.0 and USB 2.0 compatible with no external AC power cord needed
Compatible devices: Desktop

Toshiba Canvio Basics 2TB Portable External Hard Drive USB 3.0, Black - HDTB420XK3AA

Why we love it

Sleek design with smudge resistance.
Plug and play for easy use.
Quick storage expansion for devices.

Main Highlights

Sleek profile design with a matte, smudge resistance finish.Specific uses: Personal, gaming, Business
Plug and play; Easy to use with no software to install. Requires reformatting for Mac OS v10.12 /OS X v10.11 / v10.1
Quickly add more storage capacity to your PC and other compatible devices
USB 3.0 and USB 2.0 compatible with no external AC power cord needed
Compatible devices: Desktop

PNW Components Cascade Dropper Post - External Routing MTB Seatpost - 31.6mm / 170mm Travel - Adjustable Air Cartridge - Mountain Bike Dropper (NO Lever KIT)

PNW Components Cascade Dropper Post - External Routing MTB Seatpost - 31.6mm / 170mm Travel - Adjustable Air Cartridge - Mountain Bike Dropper (NO Lever KIT)

PNW Components

Why we love it

Perfect for external routing.
Smooth, reliable actuation.
Three travel options available.

Main Highlights

Designed for External Routing Frames – Perfect for bikes without internal cable routing compatibility.
Smooth, Reliable Actuation – Sealed cartridge system ensures consistent return speed and durability.
Trail-Ready Travel Options – 125mm, 150mm, and 170mm travel to match rider preference.
Easy Installation – Straightforward cable setup ideal for home mechanics.
Durable Construction – Built to withstand everyday trail riding and harsh conditions.
NO LEVER KIT - Does NOT include cable, housing or lever. Sorry, lever substitutions are not available.

PNW Components Cascade Dropper Post - External Routing MTB Seatpost - 31.6mm / 170mm Travel - Adjustable Air Cartridge - Mountain Bike Dropper (NO Lever KIT)

Why we love it

Perfect for external routing.
Smooth, reliable actuation.
Three travel options available.

Main Highlights

Designed for External Routing Frames – Perfect for bikes without internal cable routing compatibility.
Smooth, Reliable Actuation – Sealed cartridge system ensures consistent return speed and durability.
Trail-Ready Travel Options – 125mm, 150mm, and 170mm travel to match rider preference.
Easy Installation – Straightforward cable setup ideal for home mechanics.
Durable Construction – Built to withstand everyday trail riding and harsh conditions.
NO LEVER KIT - Does NOT include cable, housing or lever. Sorry, lever substitutions are not available.

PNW Components Pine 27.2mm Dropper Post, External Routing, 3-Year Warranty (110mm (NO Lever Kit))

PNW Components Pine 27.2mm Dropper Post, External Routing, 3-Year Warranty (110mm (NO Lever Kit))

PNW Components

Why we love it

Lightweight design enhances performance.
Includes lever kit for convenience.
Lifetime warranty ensures durability.

Main Highlights

Made for Slim Seat Tubes - The 27.2mm diameter fits bikes that can't accommodate larger dropper posts.
External Routing Simplicity - Designed for frames without internal routing for easier installation and compatibility.
Smooth Saddle Adjustment - Reliable cartridge-based performance allows quick height changes for climbs and descents.
Great for XC & Gravel Bikes - Perfect for riders looking to add dropper functionality to lightweight bikes.
Built for Everyday Riding - Durable construction designed to handle trail miles and mixed terrain.

PNW Components Pine 27.2mm Dropper Post, External Routing, 3-Year Warranty (110mm (NO Lever Kit))

Why we love it

Lightweight design enhances performance.
Includes lever kit for convenience.
Lifetime warranty ensures durability.

Main Highlights

Made for Slim Seat Tubes - The 27.2mm diameter fits bikes that can't accommodate larger dropper posts.
External Routing Simplicity - Designed for frames without internal routing for easier installation and compatibility.
Smooth Saddle Adjustment - Reliable cartridge-based performance allows quick height changes for climbs and descents.
Great for XC & Gravel Bikes - Perfect for riders looking to add dropper functionality to lightweight bikes.
Built for Everyday Riding - Durable construction designed to handle trail miles and mixed terrain.

OneUp Components, V3 Dropper Post, 30.9mm Diameter / 210mm Travel

OneUp Components, V3 Dropper Post, 30.9mm Diameter / 210mm Travel

OneUp Components

Why we love it

Lightweight and infinitely adjustable.
Shortest length for versatile fitting.
Eco-friendly recyclable cartridge design.

Main Highlights

The lightest, longest, smoothest and most reliable dropper post that will fit your bike. The V3 is the lightest infinitely-adjustable dropper post on the market, it has the shortest total length and stack height of any dropper post, 20mm of adjustable travel, an extended 350-hour service interval, and new ultra-low friction IGUS bushings and SKF seals.
This is the lightest infinitely adjustable dropper post on the market. Even lighter than 2-position XC specific lightweight posts and suitable for all rider heights, weights and riding styles.
This is the best feeling dropper youâll ever ride. It takes less actuation force to drop your saddle, it has ultra low-friction, self-lubricating IGUS bushings and a low friction SKF wiper seal keep the V3 running smoother for longer, with less maintenance.
A simple and reliable low-maintenance design is insanely easy to work on at home using only the OneUp EDC multi-tool or three standard tools (14mm wrench, 2mm & 5mm hex). Plus, it has a super long, 350-hour interval between recommended services.
Whether you ride an XS or XXL, the V3 is the longest post that will fit your bike. It has the shortest stack height and shortest total length of any other post and offers 20mm of adjustable travel. Use our Dropper Post Length Selector to find your perfect post. Easy.

OneUp Components, V3 Dropper Post, 30.9mm Diameter / 210mm Travel

Why we love it

Lightweight and infinitely adjustable.
Shortest length for versatile fitting.
Eco-friendly recyclable cartridge design.

Main Highlights

The lightest, longest, smoothest and most reliable dropper post that will fit your bike. The V3 is the lightest infinitely-adjustable dropper post on the market, it has the shortest total length and stack height of any dropper post, 20mm of adjustable travel, an extended 350-hour service interval, and new ultra-low friction IGUS bushings and SKF seals.
This is the lightest infinitely adjustable dropper post on the market. Even lighter than 2-position XC specific lightweight posts and suitable for all rider heights, weights and riding styles.
This is the best feeling dropper youâll ever ride. It takes less actuation force to drop your saddle, it has ultra low-friction, self-lubricating IGUS bushings and a low friction SKF wiper seal keep the V3 running smoother for longer, with less maintenance.
A simple and reliable low-maintenance design is insanely easy to work on at home using only the OneUp EDC multi-tool or three standard tools (14mm wrench, 2mm & 5mm hex). Plus, it has a super long, 350-hour interval between recommended services.
Whether you ride an XS or XXL, the V3 is the longest post that will fit your bike. It has the shortest stack height and shortest total length of any other post and offers 20mm of adjustable travel. Use our Dropper Post Length Selector to find your perfect post. Easy.

PNW Components Fern Kids Dropper Post - 27.2mm External Routing MTB Seatpost - 90mm Travel - Youth Mountain Bike Dropper

PNW Components Fern Kids Dropper Post - 27.2mm External Routing MTB Seatpost - 90mm Travel - Youth Mountain Bike Dropper

PNW Components

Why we love it

Perfect Fit with 27.2 Diameter.
Seamless Installation with External Routing.
Confidence with Lifetime Warranty.

Main Highlights

Built for Young Riders - Designed specifically for youth mountain bikes so kids can experience the benefits of a dropper post.
Minimum rider weight 44lbs (20kg) / Max rider weight supported 88lbs (44kg).
90mm of Drop - Allows young riders to quickly lower the saddle for descents and technical terrain.
27.2mm Seatpost Diameter - Compatible with many youth and smaller mountain bike frames.
External Routing Design - Simple installation for bikes without internal cable routing.
Confidence on the Trail - Helps young riders tackle climbs, descents, and trails with greater control.

PNW Components Fern Kids Dropper Post - 27.2mm External Routing MTB Seatpost - 90mm Travel - Youth Mountain Bike Dropper

Why we love it

Perfect Fit with 27.2 Diameter.
Seamless Installation with External Routing.
Confidence with Lifetime Warranty.

Main Highlights

Built for Young Riders - Designed specifically for youth mountain bikes so kids can experience the benefits of a dropper post.
Minimum rider weight 44lbs (20kg) / Max rider weight supported 88lbs (44kg).
90mm of Drop - Allows young riders to quickly lower the saddle for descents and technical terrain.
27.2mm Seatpost Diameter - Compatible with many youth and smaller mountain bike frames.
External Routing Design - Simple installation for bikes without internal cable routing.
Confidence on the Trail - Helps young riders tackle climbs, descents, and trails with greater control.

Tranz-X Kitsuma Dropper Post w/External Routing (31.6/170mm, No Lever)

Tranz-X Kitsuma Dropper Post w/External Routing (31.6/170mm, No Lever)