--- product_id: 267502866 title: "Bike Stem Riser Extender MTB Handlebar Stem Adapter with Hex Key for 1-1/8\" 28.6mm Fork Aluminum Black" brand: "lerway" price: "155 zł" currency: PLN in_stock: true url: https://www.desertcart.pl/products/267502866-bike-stem-riser-extender-mtb-handlebar-stem-adapter-with-hex store_origin: PL region: Poland --- # Up to 85mm adjustable height Forged 6061 aluminum alloy Includes 4 spacers for custom fit Bike Stem Riser Extender MTB Handlebar Stem Adapter with Hex Key for 1-1/8" 28.6mm Fork Aluminum Black **Brand:** lerway **Price:** 155 zł **Availability:** ✅ In Stock ## Summary > 🚵‍♂️ Rise Above the Rest — Elevate your ride, elevate your game! ## Quick Answers - **What is this?** Bike Stem Riser Extender MTB Handlebar Stem Adapter with Hex Key for 1-1/8" 28.6mm Fork Aluminum Black by lerway - **How much does it cost?** 155 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/267502866-bike-stem-riser-extender-mtb-handlebar-stem-adapter-with-hex) ## Best For - lerway enthusiasts ## Why This Product - Trusted lerway brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Elevate Your Ride:** Boost your handlebar height by up to 85mm for ultimate comfort and control. - • **Lightweight Durability:** Crafted from forged 6061 aluminum for strength without the bulk. - • **Effortless Installation:** Slide-on design with included hex key makes setup a breeze—no mechanic needed. - • **Universal Compatibility:** Fits most 1-1/8" (28.6mm) threadless steerer bikes—upgrade your MTB instantly. - • **Tailored Fit, Every Time:** 4 precision spacers included to customize your stem riser perfectly. ## Overview The LERWAY Bike Stem Riser Extender is a lightweight, forged 6061 aluminum adapter designed to increase your mountain bike's handlebar height by up to 85mm. Compatible with most 1-1/8" (28.6mm) threadless steerer tubes, it includes 4 spacers for precise height customization and features an easy slide-on installation with a hex key. Perfect for riders seeking enhanced comfort and control on every trail. ## Description Bike Stem Riser Extender MTB Handlebar Stem Adapter with Hex Key for 1-1/8" 28.6mm Fork Aluminum Black ## Features - Perfect for Most Bikes: The stem riser is suitable for most bike with 1-1/8''(28.6mm) threadless steerer.Your bike can do more with this mountain bike stem extender. - Adjustable Height: The bicycle stem riser offers up to 85mm stem height increase, you can customise your new riser stem height perfectly for your riding needs. - 4 Spacers Included: The stem riser adapter comes with 4 spacers (1×5mm & 3×10mm), so you can adjust the height of the riser stem by swapping spacers. - Easy to Install: Just slide the stem extender onto the steerer tube and tighten it.This bike stem extender is very easy to fit. - Aluminium Material: The steerer tube extender is made from forged 6061 aluminium alloy, super strong and lightweight. A durable bike handlebar riser provides longer and more comfortable riding experiences. ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | LERWAY Tech | | UPC | 647953198080 | | Bike Type | Mountain Bike | | Color | Black | | Material Type | Aluminum | | Features | Lightweight | | Batteries Included? | No | | Product Dimensions | 2.87 x 2.87 x 11.99 cm; 158.76 g | | ASIN | B00G2VMXCO | ## Product Details - **Colour:** Black - **Item weight:** 159 g - **Material:** Aluminum - **Brand:** LERWAY - **Product dimensions:** 29W x 120H millimeters ## Images ![Bike Stem Riser Extender MTB Handlebar Stem Adapter with Hex Key for 1-1/8" 28.6mm Fork Aluminum Black - Image 1](https://m.media-amazon.com/images/I/51cf+BN4avL.jpg) ## Questions & Answers **Q: I cant get the handle bars right. Has a little play at the frame. How can I fix it.** A: You might have to use your existing spacers and the ones that come with the new stem to get the play out. It happened to me at first until I got the spacers just right. **Q: Can u use this on a 20inch fit bmx bike?** A: Don’t have that bike but it fits five other makes and model bikes I have and it’s powerfully strong I’m a big guy its great **Q: Does this work on the Peloton?** A: Look in your Peloton manual to see if it tells you the size of the pedal thread. **Q: If you only use one or two spacers, can you cut the steerer tube extension to the correct height? If so, will the provided longer bolt still work?** A: no put the spacers you don't use on top. ## Frequently Bought Together - LERWAY Bike Stem Riser Extender MTB Handlebar Stem Adapter with Hex Key for 1-1/8" 28.6mm fork Aluminum Black - 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 - PLATTBK Bike Stem 31.8mm 35Degree, Aluminum Alloy MTB Stem Riser Bicycle Handlebar Stem for BMX Road Bike Mountain Bike --- ## 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.pl/products/267502866-bike-stem-riser-extender-mtb-handlebar-stem-adapter-with-hex](https://www.desertcart.pl/products/267502866-bike-stem-riser-extender-mtb-handlebar-stem-adapter-with-hex) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-04-27*