--- product_id: 287612264 title: "Funn RSX Mountain Bike Direct Mount Stem with 31.8mm Handlebar Clamp, 2 Piece Lightweight Split Design for Dual Crown Forks, Adjustable Extension from 45-50mm with 30mm Rise (Black)" brand: "funn" price: "KD 35.38" currency: KWD in_stock: true category: "Funn" url: https://www.desertcart.com.kw/products/287612264-funn-rsx-mountain-bike-direct-mount-stem-with-31-8mm store_origin: KW region: Kuwait --- # Adjustable extension: 45-50mm length with 30mm rise CNC machined aerospace-grade 6061 aluminum Designed for dual crown forks, perfect for downhill/off-road Funn RSX Mountain Bike Direct Mount Stem with 31.8mm Handlebar Clamp, 2 Piece Lightweight Split Design for Dual Crown Forks, Adjustable Extension from 45-50mm with 30mm Rise (Black) **Brand:** funn **Price:** KD 35.38 **Availability:** βœ… In Stock ## Summary > πŸš΅β€β™‚οΈ Elevate your ride with precision and style β€” the RSX Stem means business on every trail! ## Quick Answers - **What is this?** Funn RSX Mountain Bike Direct Mount Stem with 31.8mm Handlebar Clamp, 2 Piece Lightweight Split Design for Dual Crown Forks, Adjustable Extension from 45-50mm with 30mm Rise (Black) by funn - **How much does it cost?** KD 35.38 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/287612264-funn-rsx-mountain-bike-direct-mount-stem-with-31-8mm) ## Best For - funn enthusiasts ## Why This Product - Trusted funn brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Pro-Grade Reliability:** Rated at 310 MPa tensile strength, this stem stands up to the most demanding downhill and off-road conditions. - β€’ **Sleek Minimalist Design:** A clean, split 2-piece design that blends rugged durability with modern aestheticsβ€”ride in style and confidence. - β€’ **Dual Crown Fork Compatibility:** Specifically crafted for dual crown forks, ensuring rock-solid control on the toughest trails. - β€’ **Precision Aerospace Alloy Build:** Engineered from lightweight, ultra-durable 6061 aluminum for unmatched strength-to-weight ratio. - β€’ **Customizable Fit for Peak Performance:** Adjust your stem length between 45mm and 50mm with a 30mm rise to dial in your perfect ride posture. ## Overview The Funn RSX Mountain Bike Direct Mount Stem is a premium, CNC-machined 6061 aerospace-grade aluminum component designed for dual crown forks. It features an adjustable extension from 45 to 50mm with a 30mm rise, optimized for 31.8mm handlebars. Lightweight yet incredibly strong with a tensile strength of 310 MPa, this stem offers both durability and customizable fit for downhill and off-road cyclists seeking superior control and style. ## Description Discover the RSX Direct Mount Stem - the ultimate component for your off-road or downhill bike. Specially designed for use with double crown forks, this bike stem is a must have for cyclists looking to improve their performance. Precisely manufactured using CNC manufacturing techniques and 6061 aerospace alloy, the RSX stem is both robust and lightweight, making it perfect for the demands of off-road and downhill driving. It offers an integrated adjustment for a custom fit, with lengths of 45mm and 50mm and 20mm and 30mm available. If you want to improve the stem of your Sur Ron X bike, choosing the model with a handlebar diameter of 31.8mm and a 30mm rise can be a good option to customize the fit and handling of your Sur-Ron bike. But it's not just about functionality - the RSX Mountain Bike Direct Mount Stem is also a beauty object. The simple and simple design is both aesthetic and durable enough to handle the toughest paths. And with a wide range of colours, you can find the perfect combination for the style of your bike. So why wait? Improve your riding with the RSX Mountain Bike Stem and experience the unmatched performance and durability of this premium component. You will be proud to show it on every outing ## Features - Make sure the RSX fits correctly: the RSX is available for handlebars with a diameter of 31.8 mm or 35 mm. This version is for 31.8mm only. Please check your handlebar before purchase and make sure you order the correct version. - The RSX Direct Mount Stem is specifically designed for use with a Dual Crown fork, making it an excellent choice for those who need a stem for their off-road or downhill bike. - The RSX bike stem is precision CNC machined from aerospace grade 6061 alloy to provide plenty of support and rigidity while keeping the weight as low as possible. - ADJUSTABLE EXTENSION This is a beautifully simple but brutally robust bike component with integrated adjustment, offering lengths of 45mm and 50mm with a 20mm and 30mm raise. - Choose the model RSX Direct Mount Stem with 31.8mm handlebar bore and 30mm rise for a reliable and stylish upgrade for your Sur Ron bike. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B076PK7KRP | | ASIN | B076PK7KRP | | Best Sellers Rank | #4,275 in Sporting Goods ( See Top 100 in Sporting Goods ) #1 in Bike Stems | | Brand Name | Funn | | Color | Black | | Customer Reviews | 4.8 4.8 out of 5 stars (78) | | Customer reviews | 4.8 4.8 out of 5 stars (78) | | Date First Available | 12 March 2018 | | Department | unisex-youth | | Global Trade Identification Number | 04712931183733 | | Included Components | Systems RSX+30Β° 31.8 x 45-5 mm, black | | Is Discontinued By Manufacturer | No | | Item Dimensions | 10 x 10 x 10 centimeters | | Item Type Name | Systems RSX+30Β° 31.8 x 45-5 mm, black | | Item Weight | 0.24 Kilograms | | Item model number | 4712931183733 | | Manufacturer | FUNN | | Manufacturer | FUNN | | Manufacturer Part Number | 4712931183733 | | Material Type | Aluminum | | Model Number | 4712931183733 | | Product Dimensions | 10 x 10 x 10 cm; 240 g | | Set Name | RSX file | | Style Name | bar clamp | | Tensile Strength | 310 Megapascals | | Unit Count | 1 Count | ## Product Details - **Brand:** Funn - **Colour:** Black - **Item dimensions L x W x H:** 10 x 10 x 10 centimeters - **Material:** Aluminum - **Style:** bar clamp ## Images ![Funn RSX Mountain Bike Direct Mount Stem with 31.8mm Handlebar Clamp, 2 Piece Lightweight Split Design for Dual Crown Forks, Adjustable Extension from 45-50mm with 30mm Rise (Black) - Image 1](https://m.media-amazon.com/images/I/61txEjiJQ2L.jpg) ## Available Options This product comes in different **Item Display Length, Color** options. ## Questions & Answers **Q: What size are the bolts?** A: The bolt is M6 with 20mm thread section with 1mm washer. **Q: Does it come with bolts?** A: Yes. ## Frequently Bought Together - Funn RSX Mountain Bike Direct Mount Bike Stem with 31.8mm Bar Clamp, 2 Pieces Lightweight Split Design for Dual Crown Forks, Adjustable Extension 45-50mm - Sumind 11 Pieces Bike Carbon Fiber Headset Spacer Bicycle 1-1/8 Inch 20 15 10 5 3 2 1 mm, 7 Size - Renthal, FatBar Lite V2 --- ## 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.com.kw/products/287612264-funn-rsx-mountain-bike-direct-mount-stem-with-31-8mm](https://www.desertcart.com.kw/products/287612264-funn-rsx-mountain-bike-direct-mount-stem-with-31-8mm) --- *Product available on Desertcart Kuwait* *Store origin: KW* *Last updated: 2026-05-17*