--- product_id: 413865734 title: "Quad Lock Flat Bar Adaptor for Stem/Handlebar Bike Mount" brand: "quad lock" price: "€ 38.79" currency: EUR in_stock: true reviews_count: 6 category: "Quad Lock" url: https://www.desertcart.pt/products/413865734-quad-lock-flat-bar-adaptor-for-stem-handlebar-bike-mount store_origin: PT region: Portugal --- # 45mm x 29mm compact size 3M adhesive + zip tie security Durable TPU material Quad Lock Flat Bar Adaptor for Stem/Handlebar Bike Mount **Brand:** quad lock **Price:** € 38.79 **Availability:** ✅ In Stock ## Summary > 🚴‍♂️ Lock in your ride, unlock your adventure! ## Quick Answers - **What is this?** Quad Lock Flat Bar Adaptor for Stem/Handlebar Bike Mount by quad lock - **How much does it cost?** € 38.79 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/413865734-quad-lock-flat-bar-adaptor-for-stem-handlebar-bike-mount) ## Best For - quad lock enthusiasts ## Why This Product - Trusted quad lock brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Rock-Solid Security:** Patented dual-stage lock with 3M adhesive and zip ties ensures your phone stays put on any terrain. - • **Lightweight & Durable:** Crafted from tough TPU, combining featherlight feel with rugged resilience for long rides. - • **Effortless Installation:** Simply insert between handlebar and stem mount—no tools, no hassle, just ride. - • **Quick Twist & Lock Access:** Effortlessly attach or detach your smartphone with the intuitive twist-lock mechanism. - • **Universal Flat Bar Compatibility:** Seamlessly adapts flat handlebars to Quad Lock Stem Mounts for versatile bike setups. ## Overview The Quad Lock Flat Bar Adaptor is a precision-engineered TPU accessory that enables cyclists with flat handlebars to securely mount their smartphones using the Quad Lock Stem Mount system. Featuring a compact 45mm x 29mm footprint, reinforced with 3M adhesive and zip ties for enhanced stability, it offers quick twist-lock access and durable performance, making it the go-to choice for active riders seeking reliable phone mounting on mountain and road bikes. ## Description Product Description Smartphone Mounting For An Active Lifestyle The Quad Lock Flat Bar Adaptor allows cyclists with flat handlebars to use the Quad Lock Stem Mount. Simply insert the Flat Bar Adaptor between the handlebars and the Quad Lock Stem Mount for a secure, stable mounting option. (Stem Mount not included) THE LIGHTEST, STRONGEST AND MOST SECURE SMARTPHONE BIKE MOUNT Quad Lock is the original and best Smartphone Bike Mount on the market. PATENTED DUAL-STAGE LOCK Ride with confidence over bumps and jumps knowing that your smartphone is held securely to your bike. QUICK TO ATTACH / DETACH The simple twist and lock system provides easy access to your Smartphone on the go. EASY INSTALLATION Insert the Flat Bar Adaptor between the handlebars and the Quad Lock Stem Mount and secure. WHAT'S INCLUDED 1 x Flat Bar Adaptor 2 x Zip Ties (where possible, we recommend using zip ties and o-rings for extra security) TECH SPECS · 45mm length x 29mm wide · 3M Adhesive · Made from durable TPU ONE CASE - MULTIPLE MOUNTS Review: Flat stem bar remedy - Ideal add on fit to quad lock on bike headset stem. Mor common now on road bikes Review: Does the job perfectly however it does have cons - I have a flatbar bicycles and after alot of research i decided to get the quad lock with the flatbar adapter. I was very skeptical that the glue of the flat bar adapter and the rubber band attachment of the mount wouldn’t be enough to keep the phone in place but it has been a couple of months now and after a few gravel tours there eere no issues. The only problem i have is there is no much of vibration and I’m worries my phone camera would get damaged in the long . If you have a flat bar ib would totally recommend this product ## Features - The Quad Lock Flat Bar Adaptor allows cyclists with flat handlebars to use the Quad Lock Stem Mount - Made from durable TPU with a 3M adhesive - We recommend using zip ties and o-rings for extra security - Compatible with the Quad Lock Stem Handlebar Bike Mount (sold separately) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09QRZ4TXT | | Best Sellers Rank | 116,662 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 294 in Sport Gadget Mounts | | Bike Type | Mountain Bike | | Brand | Quad Lock | | Brand Name | Quad Lock | | Colour | Black | | Customer Reviews | 4.4 out of 5 stars 152 Reviews | | Global Trade Identification Number | 09348943004190 | | Item Dimensions L x W | 20L x 10W centimetres | | Manufacturer | Quad Lock | | Manufacturer Part Number | QLAFBA | | Material | TPU | | Material Type | TPU | | Model Number | QLAFBA | | Product dimensions | 20L x 10W centimetres | ## Product Details - **Brand:** Quad Lock - **Colour:** Black - **Manufacturer:** Quad Lock - **Material:** TPU - **Product dimensions:** 20L x 10W centimetres ## Images ![Quad Lock Flat Bar Adaptor for Stem/Handlebar Bike Mount - Image 1](https://m.media-amazon.com/images/I/41dqQtFE4CL.jpg) ![Quad Lock Flat Bar Adaptor for Stem/Handlebar Bike Mount - Image 2](https://m.media-amazon.com/images/I/41VFExRhZpL.jpg) ![Quad Lock Flat Bar Adaptor for Stem/Handlebar Bike Mount - Image 3](https://m.media-amazon.com/images/I/51EdbdGBeXL.jpg) ![Quad Lock Flat Bar Adaptor for Stem/Handlebar Bike Mount - Image 4](https://m.media-amazon.com/images/I/51N7YPC3LjL.jpg) ![Quad Lock Flat Bar Adaptor for Stem/Handlebar Bike Mount - Image 5](https://m.media-amazon.com/images/I/61nQ2Pu3gNL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Flat stem bar remedy *by K***H on 3 November 2025* Ideal add on fit to quad lock on bike headset stem. Mor common now on road bikes ### ⭐⭐⭐⭐⭐ Does the job perfectly however it does have cons *by D***S on 10 September 2023* I have a flatbar bicycles and after alot of research i decided to get the quad lock with the flatbar adapter. I was very skeptical that the glue of the flat bar adapter and the rubber band attachment of the mount wouldn’t be enough to keep the phone in place but it has been a couple of months now and after a few gravel tours there eere no issues. The only problem i have is there is no much of vibration and I’m worries my phone camera would get damaged in the long . If you have a flat bar ib would totally recommend this product ### ⭐⭐⭐⭐⭐ ぴったりステムセット *by か***め on 5 April 2026* ちょっと高いけど仕方ない ## Frequently Bought Together - Quad Lock Flat Bar Adaptor for Stem/Handlebar Bike Mount - Quad Lock Stem/Handlebar Bike Mount for iPhone and Samsung Galaxy Phones - Quad Lock Universal Adaptor for Smartphones --- ## 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/413865734-quad-lock-flat-bar-adaptor-for-stem-handlebar-bike-mount](https://www.desertcart.pt/products/413865734-quad-lock-flat-bar-adaptor-for-stem-handlebar-bike-mount) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-08-04*