--- product_id: 233563126 title: "Cascade Dropper Post – External Routing MTB Seatpost – 125mm / 150mm / 170mm Travel – Adjustable Air Cartridge – Mountain Bike Dropper" brand: "pnw components" price: "¥55803" currency: JPY in_stock: true reviews_count: 13 category: "Pnw Components" url: https://www.desertcart.jp/products/233563126-cascade-dropper-post-external-routing-mtb-seatpost-125mm-150mm-170mm store_origin: JP region: Japan --- # 125/150/170mm adjustable travel External routing for easy install Sealed cartridge for smooth actuation Cascade Dropper Post – External Routing MTB Seatpost – 125mm / 150mm / 170mm Travel – Adjustable Air Cartridge – Mountain Bike Dropper **Brand:** pnw components **Price:** ¥55803 **Availability:** ✅ In Stock ## Summary > 🚵‍♂️ Elevate your ride, drop with confidence. ## Quick Answers - **What is this?** Cascade Dropper Post – External Routing MTB Seatpost – 125mm / 150mm / 170mm Travel – Adjustable Air Cartridge – Mountain Bike Dropper by pnw components - **How much does it cost?** ¥55803 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/233563126-cascade-dropper-post-external-routing-mtb-seatpost-125mm-150mm-170mm) ## Best For - pnw components enthusiasts ## Why This Product - Trusted pnw components brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Endure:** Crafted from robust aluminum to withstand the toughest trail conditions and daily abuse. - • **Durable Sealed Cartridge:** Experience consistent, reliable saddle adjustment ride after ride with a maintenance-friendly system. - • **DIY Friendly Installation:** Simplify your upgrade with straightforward cable setup—no pro mechanic needed. - • **Trail-Ready Travel Options:** Choose your perfect drop with 3 travel lengths tailored to your ride style. - • **Effortless External Routing:** Designed specifically for frames without internal cable routing—upgrade without the hassle. ## Overview The Cascade Dropper Post by PNW Components is a rugged, aluminum mountain bike seatpost designed for external cable routing frames. Offering 125mm, 150mm, and 170mm travel options, it features a sealed air cartridge system for smooth, reliable actuation and easy installation. Perfect for riders seeking a durable, maintenance-friendly dropper upgrade compatible with hardtails and older trail bikes. ## Description The Cascade Dropper Post brings modern dropper functionality to externally routed frames. Designed for bikes without internal cable routing, it delivers smooth, consistent saddle adjustment without the complexity of internal setups. Available in 125mm, 150mm, and 170mm travel options, the Cascade uses a sealed cartridge system for reliable actuation and durability. Ideal for hardtails, older trail bikes, or riders seeking simple installation, it’s a straightforward way to upgrade your riding experience. ## Features - 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. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B086M6PMJT | | Best Sellers Rank | #60,113 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #37 in Bike Seat Posts | | Bike Type | Mountain Bike | | Brand | PNW Components | | Brand Name | PNW Components | | Color | Black | | Customer Reviews | 4.7 out of 5 stars 610 Reviews | | Global Trade Identification Number | 00850005672852 | | Manufacturer | PNW Components | | Manufacturer Part Number | CascadeParent | | Material | Aluminum | | Material Type | Aluminum | | Model Number | CDP316125V3 | | UPC | 850005672852 | | Unit Count | 1.0 Count | | Warranty Description | Lifetime | ## Product Details - **Brand:** PNW Components - **Color:** Black - **Manufacturer:** PNW Components - **Material:** Aluminum - **UPC:** 850005672852 ## Images ![Cascade Dropper Post – External Routing MTB Seatpost – 125mm / 150mm / 170mm Travel – Adjustable Air Cartridge – Mountain Bike Dropper - Image 1](https://m.media-amazon.com/images/I/41ZFv9x5gHL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by T***C on October 31, 2018* ### ⭐⭐⭐⭐⭐ Review *by Z***R on August 14, 2017* ### ⭐⭐⭐⭐⭐ Review *by S***B on February 4, 2019* ## Frequently Bought Together - PNW Components Cascade Dropper Post, 125/150/170mm Travel, External Routing - JAGWIRE Dropper Seatpost Cable Kit - PNW Components Puget MTB Dropper Lever 2X Front Shifter Compatible --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/233563126-cascade-dropper-post-external-routing-mtb-seatpost-125mm-150mm-170mm](https://www.desertcart.jp/products/233563126-cascade-dropper-post-external-routing-mtb-seatpost-125mm-150mm-170mm) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-06-21*