--- product_id: 275707782 title: "UPANBIKE Aluminum Alloy Bike Seat Post Length 350mm30.8mm Black for Mountain Bike Fixed Gear Bike Seatpost Four Sizes for You to Choose" brand: "upanbike" price: "FREE" currency: XOF in_stock: false category: "Upanbike" url: https://www.desertcart.sn/products/275707782-upanbike-aluminum-alloy-bike-seat-post-length-350mm30-8mm-black store_origin: SN region: Senegal --- # 350mm length - perfect fit range 6061 aluminum alloy - ultra durable 4 diameter options - custom compatibility UPANBIKE Aluminum Alloy Bike Seat Post Length 350mm30.8mm Black for Mountain Bike Fixed Gear Bike Seatpost Four Sizes for You to Choose **Brand:** upanbike **Price:** FREE **Availability:** ❌ Out of Stock ## Summary > 🚴‍♂️ Elevate your ride with precision and style — don’t just bike, dominate the trail! ## Quick Answers - **What is this?** UPANBIKE Aluminum Alloy Bike Seat Post Length 350mm30.8mm Black for Mountain Bike Fixed Gear Bike Seatpost Four Sizes for You to Choose by upanbike - **How much does it cost?** FREE with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/275707782-upanbike-aluminum-alloy-bike-seat-post-length-350mm30-8mm-black) ## Best For - upanbike enthusiasts ## Why This Product - Trusted upanbike brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Sleek, Stealthy Style:** Matte black finish complements any mountain or fixed gear bike, making your ride look as sharp as it performs. - • **Optimal Riding Posture:** 350mm length with a clear safety line ensures perfect saddle height for aerodynamic, forward-leaning rides. - • **Effortless Installation:** Designed for easy saddle mounting and adjustment, saving you time and hassle on every ride. - • **Engineered for Endurance:** Crafted from high-strength 6061 aluminum alloy for unmatched durability and lightweight performance. - • **Tailored Fit, Zero Guesswork:** Available in four precise diameters (25.4mm, 27.2mm, 28.6mm, 31.6mm) to seamlessly match your bike’s specs. ## Overview The UPANBIKE Aluminum Alloy Bike Seat Post is a 350mm long, 6061 forged aluminum seatpost available in four diameters to fit most mountain and fixed gear bikes. Featuring a durable yet lightweight design, a safety insertion line for secure adjustment, and a sleek black finish, it enhances riding posture and performance while ensuring easy installation. ## Description specification: Material:6601 Aluminum alloy Diamter:25.4 mm 27.2 mm 28.6 mm 31.6 mm Length:350 mm Wall Thickness:3 mm Color:Black Weight:About 170 g Package Included: 1 x Bike Seatpost Characteristic 1.The material of this seatpost is a high strength aluminum alloy 6061,manufactured by integral forging. 2.Easy Installation: It is easy to install the saddle on this seat post. 3.With the general specification of the dimensions of the clamp,it fits most of the saddles (the four sizes commonly used for you). 4. There is a safety line logo, adjustment is easy. 5. By raising the saddle height, a forward leaning riding position is born, even if the air resistance (drag) is reduced. ## Features - 【PAY ATTENTION】Please do measure the actual required diameter before purchasing. Saddle clamp is not included, please buy the saddle clamp separately if needed. - 【MATERIAL】Seatpost made of 6061 aluminum alloy,strong and durable. - 【SIZE】Length:350mm;Diameter:25.4mm 27.2mm 28.6mm 31.6mm;Thickness of the tube:3mm. - 【USE&FIT】Seatpost used for for most old style bike,and the bike saddle with clamp. - 【SAFE LINE MARK】There is a safe line mark on the seat post. Please insert at least above the minimum safety line. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0789JVT8Y | | Bike Type | Mountain Bike | | Brand Name | UPANBIKE | | Color | Black | | Customer Reviews | 4.5 4.5 out of 5 stars (2,516) | | Item Dimensions W x H | 27W x 350H millimeters | | Item Weight | 0.18 Kilograms | | Manufacturer | UPANTECH | | Manufacturer Part Number | 50-188-2 | | Material Type | Aluminum | | Model Number | 50-188-2 | | UPC | 767452332935 767452332713 | ## Product Details - **Brand:** UPANBIKE - **Colour:** Black - **Item weight:** 0.18 Kilograms - **Material:** Aluminum - **Product dimensions:** 27W x 350H millimeters ## Images ![UPANBIKE Aluminum Alloy Bike Seat Post Length 350mm30.8mm Black for Mountain Bike Fixed Gear Bike Seatpost Four Sizes for You to Choose - Image 1](https://m.media-amazon.com/images/I/41cpgcgt8fL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - UPANBIKE Bike Seat Post Aluminum Alloy Length 350mm 400mm φ25.4/27.2/28.6/30.4/30.9/31.6mm Black for Mountain Bike Road Bicycle - Comfortable Seat Cushion for Men Women with Dual Shock Absorbing Ball Memory Foam Waterproof Wide Bicycle Saddle Fit for Road Bikes - Gincleey Comfort Bike Seat for Women Men,Wide Bicycle Saddle Replacement Memory Foam Padded Soft Bike Cushion with Dual Shock Absorbing Universal Fit for Indoor/Outdoor Bikes with Reflect --- ## 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.sn/products/275707782-upanbike-aluminum-alloy-bike-seat-post-length-350mm30-8mm-black](https://www.desertcart.sn/products/275707782-upanbike-aluminum-alloy-bike-seat-post-length-350mm30-8mm-black) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-10-14*