--- product_id: 104958905 title: "Tmars 419S Mechanical Drop Seatpost, 31.6x445mm 55/110mm Travel, Black, ST1447" brand: "tmars" price: "5459510β‚«" currency: VND in_stock: true reviews_count: 4 url: https://www.desertcart.vn/products/104958905-tmars-419s-mechanical-drop-seatpost-31-6x445mm-55-110mm-travel store_origin: VN region: Vietnam --- # 31.6mm diameter 110mm travel Alloy 6066-T6 Tmars 419S Mechanical Drop Seatpost, 31.6x445mm 55/110mm Travel, Black, ST1447 **Brand:** tmars **Price:** 5459510β‚« **Availability:** βœ… In Stock ## Summary > πŸš΄β€β™‚οΈ Elevate your ride, embrace the drop! ## Quick Answers - **What is this?** Tmars 419S Mechanical Drop Seatpost, 31.6x445mm 55/110mm Travel, Black, ST1447 by tmars - **How much does it cost?** 5459510β‚« with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/104958905-tmars-419s-mechanical-drop-seatpost-31-6x445mm-55-110mm-travel) ## Best For - tmars enthusiasts ## Why This Product - Trusted tmars brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Sleek Design:** A minimalist black finish that complements any bike aesthetic. - β€’ **Easy Installation:** OEM package ensures a straightforward setup without the retail fuss. - β€’ **Elevate Your Ride:** Experience seamless transitions with 110mm of adjustable travel. - β€’ **Precision Engineering:** Crafted from durable Alloy 6066-T6 for ultimate strength and performance. - β€’ **Lightweight Performance:** Weighing in at just 0.75 kg, it won’t weigh you down on your adventures. ## Overview The Tmars 419S Mechanical Drop Seatpost offers a versatile 110mm travel adjustment, crafted from high-quality Alloy 6066-T6 for durability and performance. With a sleek black design and lightweight construction, this seatpost is perfect for cyclists looking to enhance their riding experience. The OEM package ensures easy installation, making it a must-have for any biking enthusiast. ## Description - New SD419S model - New cable controller and inner axle with 110mm travel - Outer Diameter: 31.6 mm - Length: 445 mm - Travel: 0 / 55mm / 110mm (3 Positions) - Material: Alloy 6066-T6 outer tube with 6066-T6 axle tube- Color: Anodized Black (as pic. shown)- Weight: Approx. 684g - OEM package (This item is exactly as pictured and does not include retail package) - Made in TaiwanContent: 1 pc/pack ## Features - New cable controller and inner axle with 110mm travel - Travel: 0 / 55mm / 110mm (3 Positions) - Material: Alloy 6066-T6 outer tube with 6066-T6 axle tube - OEM package (This item is exactly as pictured and does not include retail package) - Content: 1 pc/pack ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | Tmars | | UPC | 611830655249 | | Item Package Dimensions L x W x H | 18 x 10.1 x 2.3 inches | | Package Weight | 0.75 Kilograms | | Item Dimensions LxWxH | 1.24 x 1.24 x 17.52 inches | | Brand Name | Tmars | | Part Number | 419S | ## Images ![Tmars 419S Mechanical Drop Seatpost, 31.6x445mm 55/110mm Travel, Black, ST1447 - Image 1](https://m.media-amazon.com/images/I/31swx6yr1BL.jpg) ![Tmars 419S Mechanical Drop Seatpost, 31.6x445mm 55/110mm Travel, Black, ST1447 - Image 2](https://m.media-amazon.com/images/I/318Fvh5n+lL.jpg) ![Tmars 419S Mechanical Drop Seatpost, 31.6x445mm 55/110mm Travel, Black, ST1447 - Image 3](https://m.media-amazon.com/images/I/316XIjYgeiL.jpg) ![Tmars 419S Mechanical Drop Seatpost, 31.6x445mm 55/110mm Travel, Black, ST1447 - Image 4](https://m.media-amazon.com/images/I/41IGs9BugdL.jpg) ![Tmars 419S Mechanical Drop Seatpost, 31.6x445mm 55/110mm Travel, Black, ST1447 - Image 5](https://m.media-amazon.com/images/I/21IWVRXeTEL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars Simple design that works. *by B***S on Reviewed in the United States on November 9, 2020* I've have 4 of these, and no problems with them. 240lb singletrack user. No big jumps, but rocks, roots, single speed, hard cornering. A little maintenance every now and then. The stock grease inside the pin mechanism doesn't work well in really cold freezing weather, but aftermarket grease had been ok so far. The 27.2mm model is a little wobbly after a couple years, but solid. No wobble on the 31.6mm version.Issues:. Similar for most dropper posts though. - The long length. Measure your current seatpost extension and insertion, I've come up across both of these problems on separate bikes.- The boot nut coming loose. Comes loose every now and then when new, but not recently. Put the seat in the middle position and tighten down seems to work the best.- the lever isn't the best, but it works. Have to press the button at the same time as loading/unloading weight on the seat to release pressure on the pin. Once you get the technique, it's easy. The lever is also a chunk of metal you want to angle just right on the handlebar. I've knee'd it a couple times, and it hurts.-heavy. Yeah, it's heavy, but it's solid. ### ⭐ 1.0 out of 5 stars The most important thing to me is the durability of the product that i buy *by M***R on Reviewed in the United States on October 27, 2020* I liked the post. I've had it now for about 3 month and the rubber boot is already cracking. Also I took it off road since it is a mountain bike post and where the seat mounts onto the post broke. The cheap pot metal broke and now the seat post doesn't work. I would never refer this item to anyone because it is cheap and you get what you pay for. So in saying that you should just bite the bullet and go for a more expensive post. ### ⭐ 1.0 out of 5 stars Doesn’t work. *by O***T on Reviewed in the United States on June 11, 2019* Didn’t really work for more than a few rides. It would randomly pop up or collapse during ride. I did my best to adjust it correctly. --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vn/products/104958905-tmars-419s-mechanical-drop-seatpost-31-6x445mm-55-110mm-travel](https://www.desertcart.vn/products/104958905-tmars-419s-mechanical-drop-seatpost-31-6x445mm-55-110mm-travel) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-06-03*