--- product_id: 361711848 title: "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)" brand: "cxwxc" price: "€ 46.59" currency: EUR in_stock: true category: "Cxwxc" url: https://www.desertcart.pt/products/361711848-cxwxc-adjustable-mtb-stem-31-8mm-70-degree-90-110 store_origin: PT region: Portugal --- # Adjustable Length: 90/110/145mm 70° Adjustable Angle Range 3D Forged Aluminum Alloy 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) **Brand:** cxwxc **Price:** € 46.59 **Availability:** ✅ In Stock ## Summary > 🚵‍♂️ Elevate Your Ride, Own Every Trail! ## Quick Answers - **What is this?** 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) by cxwxc - **How much does it cost?** € 46.59 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/361711848-cxwxc-adjustable-mtb-stem-31-8mm-70-degree-90-110) ## 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 - • **Effortless Installation:** Four-bolt clamp design ensures a secure fit and quick setup—no mechanic needed. - • **Customizable Reach & Height:** Fine-tune your riding posture with adjustable lengths and a wide -70° to +70° angle range. - • **Durable 3D Forged Alloy Build:** Engineered for strength and lightweight performance to endure intense off-road adventures. - • **Versatile for All Riding Styles:** Ideal for MTB racing, touring, and city rides—comfort and control wherever you ride. - • **Precision Fit for 31.8mm Handlebars:** Seamlessly compatible with standard MTB and road bike bars for a perfect upgrade. ## Overview The CXWXC Adjustable MTB Stem is a premium 3D forged aluminum handlebar riser designed for 31.8mm diameter bars. Offering adjustable lengths of 90, 110, and 145mm and a versatile 70° angle range, it allows riders to customize their bike fit for maximum comfort and control. Lightweight yet durable, this stem is perfect for mountain biking, road cycling, and city commuting, delivering a secure, easy-to-install upgrade that transforms your riding experience. ## 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 | #15,130 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #5 in Bike Stems | | Bike Type | Mountain Bike | | Brand | CXWXC | | Brand Name | CXWXC | | Color | A: 31.8 x 145mm | | Customer Reviews | 4.6 out of 5 stars 1,898 Reviews | | Item Diameter | 31.8 millimeters | | Item Dimensions W x H | 1.25"W x 5.71"H | | Item Weight | 0.34 kg | | Manufacturer | CXWXC | | Manufacturer Part Number | XT-AS822 | | Material | Aluminum | | Material Type | Aluminum | | Model Number | XT-AS822 | | Number of Items | 1 | | Product Dimensions | 1.25"W x 5.71"H | ## 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 ![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) - 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.pt/products/361711848-cxwxc-adjustable-mtb-stem-31-8mm-70-degree-90-110](https://www.desertcart.pt/products/361711848-cxwxc-adjustable-mtb-stem-31-8mm-70-degree-90-110) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-10-21*