--- product_id: 333507169 title: "Bike Stem 31.8mm 6 Degree/17Degree, Aluminum Alloy Bicycle Stem Riser for BMX MTB Road Bike Mountain Bike" brand: "platt" price: "$43.30" currency: USD in_stock: true reviews_count: 13 category: "Platt" url: https://www.desertcart.us/products/333507169-bike-stem-31-8mm-6-degree-17degree-aluminum-alloy-bicycle store_origin: US region: United States of America --- # Adjustable length 60-120mm Dual rise options ±6°/±17° CNC machined 6061 T6 aluminum alloy Bike Stem 31.8mm 6 Degree/17Degree, Aluminum Alloy Bicycle Stem Riser for BMX MTB Road Bike Mountain Bike **Brand:** platt **Price:** $43.30 **Availability:** ✅ In Stock ## Summary > 🚴‍♂️ Elevate your ride with precision and style — because your bike deserves the best stem upgrade! ## Quick Answers - **What is this?** Bike Stem 31.8mm 6 Degree/17Degree, Aluminum Alloy Bicycle Stem Riser for BMX MTB Road Bike Mountain Bike by platt - **How much does it cost?** $43.30 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/333507169-bike-stem-31-8mm-6-degree-17degree-aluminum-alloy-bicycle) ## Best For - platt enthusiasts ## Why This Product - Trusted platt brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Effortless Installation:** Swap out your old stem in minutes with a straightforward bolt-on design—no mechanic needed. - • **Universal Compatibility:** Seamlessly upgrade BMX, MTB, road, downhill, or track bikes with a stem designed to fit 31.8mm bars and 28.6mm steerers. - • **Rock-Solid Handlebar Grip:** Secure four-bolt clamp design ensures your bars stay locked in place, no matter how intense the trail. - • **Tailored Fit for Every Ride:** Choose from seven lengths (60-120mm) and dual rise angles to perfectly customize your bike’s handling and comfort. - • **Precision Engineered Strength:** Crafted from aerospace-grade 6061 T6 aluminum for unbeatable durability without the weight penalty. ## Overview The PLATT Bike Stem is a lightweight, CNC-machined 6061 T6 aluminum alloy riser designed for professional-grade performance and durability. Available in multiple lengths (60-120mm) and rise angles (±6° and ±17°), it fits standard 31.8mm handlebars and 28.6mm steerers, making it a versatile upgrade for BMX, MTB, road, and track bikes. Its secure four-bolt clamp ensures a stable, confident ride, while easy installation lets you customize your bike quickly and effortlessly. ## Description Description: Material: Aluminum alloy AL6061 T6 Rise: +/- 6 degrees ; +/- 17 degrees Clamp Diameter: 31.8mm Steerer Clamp: 28.6mm(1-1/8”) Length:60/70/80/90/100/110/120mm Color: Black USE:MTB,Road Bike,MBX.Track Bike,etc. Package Include: 1* Bike Stem Review: As described - As described. Review: Adequate - Cheap but does the job ## Features - 【Size】Length:60/70/80/90/100/110/120mm ; Rise: +/- 17 degrees ; Clamp Diameter: 31.8mm ; Steerer Clamp: 28.6mm(1-1/8”) - 【Lightweight & Durable】This Mountain Bike Stem is constructed from CNC machined 6061 T6 aluminum alloy ensuring it is incredibly durable and strong, without compromising on weight - 【Easy Installstion】 just connect up the original front fork stem. Four bolt bar clamp holds bar securely in position. - 【Wide Application】This handlebar stem is a good replacement accessory for bikes and can be used for most kinds of road bikes, mountain bikes, downhill bikes, track bikes, MTB, BMX, DH, etc. Perfect for modifying, DIY, and upgrading your bike. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0968D7FZD | | Best Sellers Rank | 16,013 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 17 in Cycling Stems | | Bike Type | Mountain Bike | | Brand | PLATT | | Brand Name | PLATT | | Colour | 6 Degree | | Country Of Origin | China | | Customer Reviews | 4.4 out of 5 stars 497 Reviews | | Item Diameter | 31.8 Millimetres | | Item Weight | 0.13 Kilograms | | Item diameter | 31.8 Millimetres | | Item weight | 0.13 Kilograms | | Manufacturer | PLATT | | Manufacturer Part Number | ZUK058FU | | Material | Aluminium | | Material Type | Aluminium | | UPC | 721703542450 | | Unit Count | 1.0 count | ## Product Details - **Colour:** 6 Degree - **Item weight:** 0.13 Kilograms - **Material:** Aluminium - **Brand:** PLATT - **Bike type:** Mountain Bike ## Images ![Bike Stem 31.8mm 6 Degree/17Degree, Aluminum Alloy Bicycle Stem Riser for BMX MTB Road Bike Mountain Bike - Image 1](https://m.media-amazon.com/images/I/61YMc0fYXSS.jpg) ![Bike Stem 31.8mm 6 Degree/17Degree, Aluminum Alloy Bicycle Stem Riser for BMX MTB Road Bike Mountain Bike - Image 2](https://m.media-amazon.com/images/I/51KR-Poz8sS.jpg) ![Bike Stem 31.8mm 6 Degree/17Degree, Aluminum Alloy Bicycle Stem Riser for BMX MTB Road Bike Mountain Bike - Image 3](https://m.media-amazon.com/images/I/51TAktMeYhS.jpg) ![Bike Stem 31.8mm 6 Degree/17Degree, Aluminum Alloy Bicycle Stem Riser for BMX MTB Road Bike Mountain Bike - Image 4](https://m.media-amazon.com/images/I/51ysqZXniEL.jpg) ![Bike Stem 31.8mm 6 Degree/17Degree, Aluminum Alloy Bicycle Stem Riser for BMX MTB Road Bike Mountain Bike - Image 5](https://m.media-amazon.com/images/I/51NrJookhnL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ As described *by A***R on 4 September 2025* As described. ### ⭐⭐⭐⭐ Adequate *by P***L on 4 October 2025* Cheap but does the job ### ⭐⭐⭐⭐⭐ K *by M***Y on 26 August 2025* Ok ## Frequently Bought Together - PLATT Bike Stem 31.8mm 6 Degree/17Degree, Aluminum Alloy Bicycle Stem Riser for BMX MTB Road Bike Mountain Bike - GoHZQ 6 Pcs Headset Spacers 1 1/8", Aluminium Alloy Headset Spacers for Bikes, 28.6mm MTB Road Bike Stem Spacers 2mm/3mm/5mm/3x10mm Black --- ## 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.us/products/333507169-bike-stem-31-8mm-6-degree-17degree-aluminum-alloy-bicycle](https://www.desertcart.us/products/333507169-bike-stem-31-8mm-6-degree-17degree-aluminum-alloy-bicycle) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-08-08*