---
product_id: 398521654
title: "sincetop Bike Phone Mount,Mountain Bicycle Stem Cell Phone Holder,Universal Aluminum Handlebar Phone Clamp,MTB Road Bike Cycling Mobile Phone Clip,Quick Attach/Release 【Series C-2nd Gen】"
brand: "sincetop"
price: "¥9701"
currency: JPY
in_stock: true
category: "Sincetop"
url: https://www.desertcart.jp/products/398521654-sincetop-bike-phone-mount-mountain-bicycle-stem-cell-phone-holder
store_origin: JP
region: Japan
---

# 4 alloy buckles for ultra-secure lock Lightweight 36g aluminum build 360° adjustable viewing angle sincetop Bike Phone Mount,Mountain Bicycle Stem Cell Phone Holder,Universal Aluminum Handlebar Phone Clamp,MTB Road Bike Cycling Mobile Phone Clip,Quick Attach/Release 【Series C-2nd Gen】

**Brand:** sincetop
**Price:** ¥9701
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Lock, Load & Ride: The Ultimate Phone Mount for Trailblazers

## Quick Answers

- **What is this?** sincetop Bike Phone Mount,Mountain Bicycle Stem Cell Phone Holder,Universal Aluminum Handlebar Phone Clamp,MTB Road Bike Cycling Mobile Phone Clip,Quick Attach/Release 【Series C-2nd Gen】 by sincetop
- **How much does it cost?** ¥9701 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/398521654-sincetop-bike-phone-mount-mountain-bicycle-stem-cell-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

- • **Perfect Ride-Ready Viewing:** Easily switch between portrait and landscape modes with a 10° angled mount for optimal GPS and app visibility.
- • **Ultra-Secure Locking System:** Four alloy buckles distribute force evenly, locking your phone firmly even on the roughest trails.
- • **One-Hand Quick Attach & Release:** Snap your phone in or out in seconds with effortless one-handed operation—never miss a call or notification while riding.
- • **Featherweight & Minimalist Design:** At just 36 grams, this sleek aluminum mount blends seamlessly with your bike, saving handlebar space for your other gear.
- • **Universal Compatibility & Strong Grip:** Fits all major smartphones with a high-viscosity 3M adhesive adapter that sticks like a pro—just avoid silicone or rubber cases.

## Overview

The sincetop Bike Phone Mount Series C-2nd Gen is a premium aluminum alloy handlebar phone holder designed for mountain and road bikes. Featuring a robust four-buckle ultra-lock system, quick one-handed attachment, and 360° adjustable viewing angles, it ensures your phone stays secure and accessible on any terrain. Compatible with a wide range of smartphones and equipped with a high-strength 3M adhesive adapter, this lightweight 36g mount installs centrally on round stem caps, optimizing space and visibility for navigation, fitness tracking, and music on the go.

## Description

Upgraded bicycle mobile phone holder compatible with bicycle handlebars and stem. ✔️One-handed operation. Quick on and off and easy access to your devices on the go. Make sure you don't miss any calls or messages when cycling. ✔️More robust and stable. Built-in ultra-lock keeps your device safe on the wildest adventures. High quality 3M VHB adhesive, strong and durable enough for your phone or GPS. ✔️Metal base is durable and long lasting. Bike phone holder made of super aluminium alloy. ✔️Full access and compatibility. Universal Compatibility Perfectly fits for iPhone 12, 11,11 Pro, 11 Pro Max, X, XS, XS Max, XR, 8, 8 Plus, 7, 7 Plus, 6, 6s, 6 Plus, Samsung Galaxy S8, S8 Plus, S7, S7 Edge. Full access to all functions, does not block any button and camera at all. ✔️Risk-free purchase. You will not only receive the mobile phone bicycle mount you need, but also a worry-free 12-month warranty and our friendly customer service. Warm tips: 1. 3M VHB adhesive sticks to smooth, non-textured, non-porous surfaces such as plastic and metal. 2. It does not stick to rubber, silicone, TPU or soft touch coatings. 3. Make sure the application surface is thoroughly cleaned and dry before installing the adapter. 4. Allow the adhesive to dry for 24 hours before use. 5. The 3M VHB adhesive is a disposable adhesive. It is not reusable.

## Features

- 【Durable and Secure】- The holder base is made from premium aluminum alloy, making it sturdy and durable. It effectively reduces phone jitter caused by uneven ground during riding. This bike phone holder built with an ultra-lock system that offers more security through additional locking of the case during extreme journeys.
- 【Quick Lock & Release】- The bicycle phone mount is easy to install on the stem, allowing you to quickly attach/detach your phone in seconds with one hand. This ensures you won't miss calls or messages during cycling.
- 【Perfect Viewing】- The bike stem phone mount allows you to get the perfect viewing angle and easily adjust the cellphone to horizontal or vertical screen. It is a great solution for having Google Maps visible to navigate, using a fitness app, and playing music while you ride.
- 【Universal Adapters】- Our phone bike mount comes with one universal adapter, the high-viscosity industrial grade 3M double-sided adhesive tape can be strongly pasted to most cell phone cases.You can now use your phone to navigate or your Bluetooth speaker to enjoy music. Please note that Silicone / Rubber / Soft touch coatings cases are not suitable for this adapter!!!!!
- 【New Upgrade of 2nd-Gen Product】- This product has been comprehensively optimized and upgraded: 1️⃣ An alloy module has been added inside the product, making it more stable, firmer, and more durable. 2️⃣ The buckle has been increased to four alloy buckles, which buckle the adapter in four directions, and the force is more evenly distributed.
- 【Center Installation】: Conveniently installed in the middle of the bicycle stem, keeping your phone in front of you while riding. Simple installation requires removing just one screw, ensuring minimal handlebar space usage for additional riding equipment.The aluminum alloy base of the mount is bent at an angle of 10 degrees, which can avoid the limitation of the ultra-short STEM front protrusion on the support installation.
- 【Lightweight and Compact】:The small and mini stem mount as light as a feather, seamlessly integrates with your bike, making you completely unaware of its presence. The mount weighs only 36g (1.25 ounces).
- 【STEM Cap Shape Requirement】: If your bike has a round stem cap, then this phone holder is your best choice. Note: This holder does not support non-round stem caps. If your bike's stem cap is irregular, you can choose from our other holder styles(Stem Cap Mount).
- 【Product Features】: Easy press for quick installation. 90-degree rotation for fast detachment. Choose between landscape or portrait format as needed. Compact appearance, lightweight design
- 【Rich accessory ecology and usage scenarios】The C (Circle) series mount has 1st-gen (two buckles) and 2nd-gen (four buckles) products, adapters, protective cases, silicone elastic binding adapters, and stopwatch adapters All are standardized designs and can be used in gen1/gen2 products. Rich usage scenarios: cycling mounts, car mounts, desktop mounts, running (armbands or wristbands), belt clips, wall mounts, etc., which can meet all aspects of your life.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B099ZPP3T9 |
| Additional Features | Quick Mount 2nd Gen - Connect Quickly System Series C [Circle ] |
| Best Sellers Rank | #1,798 in Mobile Phones & Communication Products ( See Top 100 in Mobile Phones & Communication Products ) #35 in Cell Phone Handlebar Mounts |
| Brand | sincetop |
| Color | 2nd Gen - Stem Mount - Series C |
| Compatible Devices | Smartphones |
| Compatible Phone Models | ['iPhone 15/15 Plus/15 Pro/15 Pro Max/14/14 Plus/14 Pro/14 Max/13 Mini/13/13 Pro/13 Max/12 Mini/12/12 Pro/12 Max/11/11 Pro/11 Max/X/Xs/Xs Max/XR/SE 202020 /SE/6 7/8/6sPlus/7Plus/8Plus, Samsung Galaxy S/Note series, Pixel, LG, One Plus, Motorola, Huawei Mate Series/P Xiaomi MI'] |
| Compatible with Vehicle Type | Bicycle |
| Customer Reviews | 4.6 4.6 out of 5 stars (446) |
| Enclosure Material | Aluminum, Polycarbonate |
| Included Components | 1 x Mountain Bike Phone Holder + 1 x Adapter, 1 x Screwdriver, 1 x User Manual Not in English) |
| Item Weight | 0.08 Kilograms |
| Manufacturer | sincetop |
| Mfr Part Number | C051-PLUS |
| Model Name | C051-PLUS |
| Model Number | C051-PLUS |
| Mounting Type | Handlebar |
| Shape | Round |
| Water Resistance Level | Water Resistant |
| Weight Capacity Maximum | 39 Grams |

## Product Details

- **Brand:** sincetop
- **Colour:** 2nd Gen - Stem Mount - Series C
- **Compatible devices:** Smartphones
- **Mounting type:** Handlebar

## Images

![sincetop Bike Phone Mount,Mountain Bicycle Stem Cell Phone Holder,Universal Aluminum Handlebar Phone Clamp,MTB Road Bike Cycling Mobile Phone Clip,Quick Attach/Release 【Series C-2nd Gen】 - Image 1](https://m.media-amazon.com/images/I/61xbU9YkoCL.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: Can the 3M VHB adhesive for the adapter be used multiple times?**
A: The 3M VHB adhesive is a single-use adhesive. If it is pasted, please do not remove it. It is not reusable once removed.

**Q: Which case material is best for the adapter to stick more firmly?**
A: It is recommended to choose a hard case with a flat back. Protective case made of stainless steel, PC, or TPU. PLEASE NOTE: Silicone material cannot be used.

**Q: Silicone / Rubber / Soft touch coatings case cannot be used ! ! ! ! ! ! ! ! ! ! ! ! ! !**
A: The adapter won't stick to the silicone case sold on * Apple's website *, Please don't choose such silicone cases. All silicone product surfaces require special preparation to bond with 3M adhesives.

**Q: Can the adapter be directly stuck on the phone? How long can it be used after sticking?**
A: NO,Please don't stick it on the phone directly . * Please choose a protective case with a sling hole and use it with the sling when riding.* Allow adhesive to dry for 24 hours before using for better stickiness.

**Q: Is there any requirement for the position where the adapter stick to the protective case?**
A: Please stick the adapter to the center of the phone case. The force is more uniform when riding.

## Frequently Bought Together

- sincetop Bike Phone Mount,Mountain Bicycle Stem Cell Phone Holder,Universal Aluminum Handlebar Phone Clamp,MTB Road Bike Cycling Mobile Phone Clip,Quick Attach/Release 【Series C-2nd Gen】
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**Shop now:** [https://www.desertcart.jp/products/398521654-sincetop-bike-phone-mount-mountain-bicycle-stem-cell-phone-holder](https://www.desertcart.jp/products/398521654-sincetop-bike-phone-mount-mountain-bicycle-stem-cell-phone-holder)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-29*