--- product_id: 361711848 title: "Adjustable MTB Stem 31.8mm 70 Degree - 90/110/145mm Bike Stem Riser for Handlebar - Aluminum Alloy Mountain Bike Handlebar Riser Extender for MTB Road City Bike Bicycle (31.8 x 145mm)" brand: "cxwxc" price: "€ 58.51" currency: EUR in_stock: true category: "Cxwxc" url: https://www.desertcart.gr/products/361711848-adjustable-mtb-stem-31-8mm-70-degree-90-110-145mm store_origin: GR region: Greece --- # Adjustable length: 90/110/145mm 3D forged aluminum alloy for strength 70° angle range for perfect fit Adjustable MTB Stem 31.8mm 70 Degree - 90/110/145mm Bike Stem Riser for Handlebar - Aluminum Alloy Mountain Bike Handlebar Riser Extender for MTB Road City Bike Bicycle (31.8 x 145mm) **Brand:** cxwxc **Price:** € 58.51 **Availability:** ✅ In Stock ## Summary > 🚵‍♂️ Elevate your ride, own every trail with precision and style! ## Quick Answers - **What is this?** Adjustable MTB Stem 31.8mm 70 Degree - 90/110/145mm Bike Stem Riser for Handlebar - Aluminum Alloy Mountain Bike Handlebar Riser Extender for MTB Road City Bike Bicycle (31.8 x 145mm) by cxwxc - **How much does it cost?** € 58.51 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/361711848-adjustable-mtb-stem-31-8mm-70-degree-90-110-145mm) ## Best For - cxwxc enthusiasts ## Why This Product - Trusted cxwxc brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Crafted from 3D forged aluminum alloy, combining lightweight durability with rock-solid control. - • **Universal Fit:** Designed exclusively for 31.8mm handlebars and 28.6mm fork stems—perfect for MTB, road, and city bikes. - • **Tailor Your Ride:** Adjustable stem length and angle for personalized comfort on every terrain. - • **Ride Longer, Ride Better:** Ideal for long tours and intense MTB sessions, reducing fatigue with ergonomic positioning. - • **Quick & Secure Installation:** Four-bolt clamp ensures your handlebar stays locked in place, no fuss, no slip. ## Overview The CXWXC Adjustable MTB Stem offers a versatile handlebar riser solution with a 70° adjustable angle and three length options (90, 110, 145mm). Made from durable 3D forged aluminum alloy, it fits standard 31.8mm handlebars and 28.6mm fork stems, delivering a secure, customizable fit for mountain, road, and city bikes. Perfect for riders seeking enhanced comfort and control during long rides or aggressive off-road adventures. ## Description desertcart.com : CXWXC Adjustable MTB Stem 31.8mm 70 Degree - 90/110/145mm Bike Stem Riser for Handlebar - Aluminum Alloy Mountain Bike Handlebar Riser Extender for MTB Road City Bike Bicycle (31.8 x 145mm) : Sports & Outdoors ## Features - NOTE: PLEASE CONFIRM YOUR SIZE BEFORE YOUR PURCHASE. 90, 110 130 and 145mm are not the total long of the stem. - 【Ideal Stem for Rider】: Can't get comfortable on your bike? Tried too many bike stems? This adjustable stems are a useful way of tweaking your handlebar height and reach, particularly for touring where you spend long hours in the saddle. Our adjustable stem is the best bet to get comfortable - 【Compatibility】: Only Fit for Handlebar diameter 31.8mm (1-1/4''), front fork stem diameter 28.6mm (1-1/8") and is available in a range of lengths – 90, 110 and 145mm. - 【Material】: The MTB stem is manufactured with a 3D Forged alloy construction that gives strength and control. The durability of this stem is very adjustable with an angle of (-70°to +70°) - 【Easy to Install】: Just connect up the original front fork stem. Four bolt bar clamp holds bar securely in position - 【Suitable for Most Bike】: Our bike stems are suited to a wide variety of bicycles, and also to the different types of riders. Ideal for MTB racing and those who take their off road biking very seriously. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09C4JFPJY | | Best Sellers Rank | #6,331 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #2 in Bike Stems | | Bike Type | Mountain Bike | | Brand Name | CXWXC | | Color | A: 31.8 x 145mm | | Customer Reviews | 4.7 4.7 out of 5 stars (1,819) | | Item Diameter | 31.8 Millimeters | | Item Dimensions W x H | 1.25"W x 5.71"H | | Item Weight | 0.34 Kilograms | | Manufacturer | CXWXC | | Manufacturer Part Number | XT-AS822 | | Material Type | Aluminum | | Model Number | XT-AS822 | ## Product Details - **Brand:** CXWXC - **Color:** A: 31.8 x 145mm - **Item Weight:** 0.34 Kilograms - **Material:** Aluminum - **Product Dimensions:** 1.25"W x 5.71"H ## Images ![Adjustable MTB Stem 31.8mm 70 Degree - 90/110/145mm Bike Stem Riser for Handlebar - Aluminum Alloy Mountain Bike Handlebar Riser Extender for MTB Road City Bike Bicycle (31.8 x 145mm) - Image 1](https://m.media-amazon.com/images/I/61G4+A7Z+tL.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: Is it sturdy enough for an ebike?** A: Yes **Q: Will this fit my 2006 trek sl 1000 road bike ? i wanted the 145 mm** A: If the steer tube on your TREK SL 1000 is 31.8 mm in diameter it will fit **Q: Will it work on a carbon fork with a compression plug for support?** A: I have nonidea lol...it fits on.m.y bike...seems universal. Idk **Q: What is the distance between the handlebar clamp bolts horizontally?** A: The distance center - center, 1 and 5/8’s . ## Frequently Bought Together - CXWXC Adjustable MTB Stem 31.8mm 70 Degree - 90/110/145mm Bike Stem Riser for Handlebar - Aluminum Alloy Mountain Bike Handlebar Riser Extender for MTB Road City Bike Bicycle (31.8 x 145mm) - LITEONE Bike Stem Riser Bike Fork Stem Extender Bicycle Handlebar Raiser Head Up Adapter Suitable for Mountain Bike, Road Bike, MTB, BMX, Fixie (Aluminium Alloy, Adjustable, Black) - Comfortable Seat Cushion for Men Women with Dual Shock Absorbing Ball Memory Foam Waterproof Wide Bicycle Saddle Fit for Road Bikes --- ## 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.gr/products/361711848-adjustable-mtb-stem-31-8mm-70-degree-90-110-145mm](https://www.desertcart.gr/products/361711848-adjustable-mtb-stem-31-8mm-70-degree-90-110-145mm) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-07-22*