--- product_id: 767110415 title: "sincetop Bicycle Phone Mount Mountain Bike Stem Cap Phone Holder Universal Aluminum Handlebar Phone Clamp MTB Road Bike Cycling Cell Phone Clip Quick Attach/Release [Series C-2nd Gen]" brand: "sincetop" price: "¥739159" currency: JPY in_stock: true url: https://www.desertcart.jp/products/767110415-sincetop-bicycle-phone-mount-mountain-bike-stem-cap-phone-holder store_origin: JP region: Japan --- # M6 screw compatibility Lightweight 41.5g design Ultra Lock System for secure hold sincetop Bicycle Phone Mount Mountain Bike Stem Cap Phone Holder Universal Aluminum Handlebar Phone Clamp MTB Road Bike Cycling Cell Phone Clip Quick Attach/Release [Series C-2nd Gen] **Brand:** sincetop **Price:** ¥739159 **Availability:** ✅ In Stock ## Summary > 🚴‍♂️ Lock in your ride, unlock your adventure! ## Quick Answers - **What is this?** sincetop Bicycle Phone Mount Mountain Bike Stem Cap Phone Holder Universal Aluminum Handlebar Phone Clamp MTB Road Bike Cycling Cell Phone Clip Quick Attach/Release [Series C-2nd Gen] by sincetop - **How much does it cost?** ¥739159 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/767110415-sincetop-bicycle-phone-mount-mountain-bike-stem-cap-phone-holder) ## Best For - sincetop enthusiasts ## Why This Product - Trusted sincetop brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Center Stem Mounting:** Keeps your phone perfectly centered and visible without cluttering your handlebars. - • **Rock-Solid Stability:** Premium aluminum alloy base reduces phone jitter on rough terrain for a smooth ride. - • **Featherweight & Compact:** At just 41.5g, this mount integrates seamlessly with your bike, barely noticeable but always reliable. - • **Universal Compatibility:** Fits most smartphones with a high-strength 3M VHB adhesive adapter (excluding silicone/rubber cases). - • **One-Hand Quick Lock & Release:** Effortlessly attach or remove your phone mount in seconds without missing a call or notification. ## Overview The sincetop Series C-2nd Gen Bicycle Phone Mount is a durable, lightweight aluminum alloy stem cap holder designed for mountain and road bikes. Featuring an Ultra Lock System and M6 screw compatibility, it ensures a secure fit and minimal phone jitter on uneven terrain. Its quick one-hand lock and release mechanism, combined with a universal 3M VHB adhesive adapter, offers easy installation and broad smartphone compatibility. Center-mounted for optimal viewing and minimal handlebar clutter, this mount weighs only 41.5g, making it the perfect companion for professional cyclists seeking reliability and convenience. ## Description Safe and reliable bicycle phone mount. Thin, compact design One hand operation More sturdy and stable Built-in Ultra Lock keeps your device safe during wild adventures. High Quality 3M VHB Adhesive Strong and sturdy enough for your phone. Metal base is durable and long lasting. Excellent aluminum alloy bicycle phone holder. Fully access compatible Universal fit for iPhone, Samsung Galaxy and other mobile phones. Full access to all features Easy to install 1. Remove the steering head cap. 2. Insert the mounting base and screw into the steering head cap. 3.Clean the surface of the phone case and install the adapter in the suitable phone case. 4.Mount your phone directly to the holder, press the lock lever to lock your phone into the holder. 5. To get down, flip the lock lever and turn the phone clockwise 90°. Warm prompt: 1. 3M VHB adhesive will not stick to any smooth, textured, non-porous surface such as plastic and metal. 2.Will not adhere to rubber, silicone, TPU or soft touch coating. 3. Before installing the adapter, make sure the surface is completely clean and dry. 4. Apply glue for 24 hours before drying. 5. 3M VHB adhesive is disposable adhesive. Not reusable. ## Features - 【Sturdy and Safety】- The holder base is made of premium aluminum alloy, sturdy and durable. Effectively reduce phone jitter caused by uneven ground while driving. This bicycle phone holder is made with Ultra Lock System which makes it more secure by locking the case further during extreme travel - 【QUICK LOCK & RELEASE】- This bicycle phone mount can be easily attached to the stem and can be removed and installed in seconds with one hand. This ensures you never miss a call or message while cycling - 【Bicycle M6 Screws】 Whether the bicycle STEM cover is round or other shapes, this phone holder is perfectly supported. The height of the aluminum alloy cylinder of the support is 8.0mm, which can be applied to the M6 screw steps of various STEM covers and avoid the screw step after hanging the cylinder bottom or mounting the mount. Note: This product is only suitable for bicycle (M6 screw), not for motorcycle. Most motorcycle screws are M8. If the screw specification is M8, please select other M8 version/model - 【UNIVERSAL ADAPTER】- Our phone bike mount comes with one universal adapter. High viscosity industrial grade 3M double sided adhesive tape is strongly adhered to most phone cases. You can use your phone to navigate or enjoy music using the Bluetooth speaker. Silicone/Rubber/Soft Touch Coating Case is NOT suitable for this adapter!!!! ! - 【New Upgrade for 2nd Generation Product】- This product has been comprehensively optimized and upgraded: 1️ ❥ Alloy module is added inside the product, more stable, more harder, more durable. 2️❥ The buckle increases to 4 alloy buckles, buckle the adapter in 4 directions, the force is more evenly distributed - 【CENTER INSTALLATION】: Conveniently mounts to the center of the bicycle stem, allowing you to place your smartphone in front of you while driving. Easy to install, just remove one screw, minimizing the use of handlebar space for additional riding equipment - Lightweight and Compact: The mini stem mount is small and light like a feather, and is integrated seamlessly with your bicycle, so you will never notice its existence. The mount weighs only 41.5g (1.45oz) - 【Perfect Viewing】- This bicycle stemphone mount allows you to get the perfect viewing angle and easily adjust your phone to any horizontal or vertical screen. A great solution for navigating Google Maps, using fitness apps and playing music while riding - Product Features: Easy to push and quick installation. Rotates 90 degrees for quick release Choose from landscape or portrait mode to suit your needs. Compact appearance, lightweight design - 【Wide Variety of Accessories Ecology and Usage Scenario】The C-Circles series mount features 1st generation (2 buckles) and 2nd generation (4 buckles), adapter, protective case, silicone elastic binding adapter, stopwatch adapter. All standardized designs for use with Gen1/Gen2 products. Wide range of uses: cycling mount, car mount, desktop mount, running (armband or wristband), belt clip, wall mount, and so on ## Technical Specifications | Specification | Value | |---------------|-------| | Item Weight | 82 g | | Item model number | Serie C-2. Gen | | Connectivity technologies | Bluetooth | | Special features | Durability | | Color | Stem Cap Smartphone Holder [Gen 2] Black | | Whats in the box | Moutain Bicycle Phone Mount * 1 + Adapter * 1 + Screws (M6) * 1 + Screwdriver * 1 + Instruction Manual * 1 | ## Product Details - **Brand:** sincetop - **Color:** Stem Cap Smartphone Holder [Gen 2] Black - **Compatible Devices:** Smartphones - **Compatible Phone Models:** Universal 4.0"-7" Cellphones,iPhone 15/15 Plus/15 Pro/15 Pro Max/14/14 Plus/14 Pro/14 Pro Max/13 Mini/13/13 Pro/13 Pro Max/12 Mini/12/12 Pro/12 Pro Max/11 Pro/1 1 Pro Max/X/Xs/Xs Max/XR/SE 2020/SE/6/7/8/6sPlus/7Plus/8Plus, Samsung Galaxy, Pixel, LG,One Plus,Motorola; Edge, Note, Nexus, Huawei Mate Series/ P 50 Series / Xiaomi MI - **Mounting Type:** Handlebar ## Images ![sincetop Bicycle Phone Mount Mountain Bike Stem Cap Phone Holder Universal Aluminum Handlebar Phone Clamp MTB Road Bike Cycling Cell Phone Clip Quick Attach/Release [Series C-2nd Gen] - Image 1](https://m.media-amazon.com/images/I/615g7xcugFL.jpg) ![sincetop Bicycle Phone Mount Mountain Bike Stem Cap Phone Holder Universal Aluminum Handlebar Phone Clamp MTB Road Bike Cycling Cell Phone Clip Quick Attach/Release [Series C-2nd Gen] - Image 2](https://m.media-amazon.com/images/I/7101Dj-BVPL.jpg) ![sincetop Bicycle Phone Mount Mountain Bike Stem Cap Phone Holder Universal Aluminum Handlebar Phone Clamp MTB Road Bike Cycling Cell Phone Clip Quick Attach/Release [Series C-2nd Gen] - Image 3](https://m.media-amazon.com/images/I/71-L36bPVGL.jpg) ![sincetop Bicycle Phone Mount Mountain Bike Stem Cap Phone Holder Universal Aluminum Handlebar Phone Clamp MTB Road Bike Cycling Cell Phone Clip Quick Attach/Release [Series C-2nd Gen] - Image 4](https://m.media-amazon.com/images/I/81+JHJnR8kL.jpg) ![sincetop Bicycle Phone Mount Mountain Bike Stem Cap Phone Holder Universal Aluminum Handlebar Phone Clamp MTB Road Bike Cycling Cell Phone Clip Quick Attach/Release [Series C-2nd Gen] - Image 5](https://m.media-amazon.com/images/I/71KcVrfliLL.jpg) ## Questions & Answers **Q: Hello how can I get another universal adapter for my other phone?** A: The adapter can be purchased separately. The adapter is sold in our shop. **Q: It will fit specialized sirrus stem?** A: i have a specialized bike and it fits great on the stem **Q: is this compatible with raceface ride 50mm stem?** A: Depends on what size handle bars you have **Q: Is this compatible with Garmin mount & devices that use Garmin mount?** A: The question of “is this CENSTECH device mount compatible with GARMIN devices. As you can see in the accompanying video here, the answer to the question is “NO”. ## Frequently Bought Together - sincetop Bike Phone Mount,Mountain Bicycle Stem Cap Phone Holder,Universal Aluminum Handlebar Phone Clamp,MTB Road Bike Cycling Mobile Phone Clip,Quick Attach/Release 【Series C-2nd Gen】 - CamelBak Podium Chill Insulated Bike Water Bottle - Easy Squeeze Bottle - Fits Most Bike Cages - 21oz, Black - CamelBak Podium Steel Insulated Stainless Steel Bike Water Bottle – for Cycling, Fitness & Sports- Fits Most Bike Cages, 22oz - Moss --- ## 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.jp/products/767110415-sincetop-bicycle-phone-mount-mountain-bike-stem-cap-phone-holder](https://www.desertcart.jp/products/767110415-sincetop-bicycle-phone-mount-mountain-bike-stem-cap-phone-holder) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-20*