---
product_id: 462300756
title: "Bike Phone Mount,Aluminum Gravel/MTB/Road EBike Stem Cap Holder,M6 Screw"
brand: "sincetop"
price: "$143.63"
currency: USD
in_stock: true
reviews_count: 5
category: "Sincetop"
url: https://www.desertcart.us/products/462300756-bike-phone-mount-aluminum-gravel-mtb-road-ebike-stem-cap
store_origin: US
region: United States of America
---

# M6 screw compatibility Ultra-light 41.5g design 4 alloy buckles for stability Bike Phone Mount,Aluminum Gravel/MTB/Road EBike Stem Cap Holder,M6 Screw

**Brand:** sincetop
**Price:** $143.63
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Lock, Ride, and Own the Road with Ultimate Phone Security!

## Quick Answers

- **What is this?** Bike Phone Mount,Aluminum Gravel/MTB/Road EBike Stem Cap Holder,M6 Screw by sincetop
- **How much does it cost?** $143.63 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/462300756-bike-phone-mount-aluminum-gravel-mtb-road-ebike-stem-cap)

## 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

- • **Quad Buckle Security:** Four alloy buckles distribute force evenly, locking your phone tight on any terrain.
- • **360° Viewing Freedom:** Easily switch between portrait and landscape for perfect navigation or fitness tracking.
- • **One-Hand Quick Release:** Snap on or off your phone in seconds without missing a beat or call.
- • **Featherweight Integration:** At just 41.5g, it’s barely there—keeping your bike sleek and nimble.
- • **Rock-Solid Grip with M6 Precision:** Fits perfectly on M6 screw stems for zero wobble, even on gravel trails.

## Overview

The Bike Phone Mount Serie C-2nd Gen is a premium aluminum alloy stem cap holder designed for M6 screw bicycles. Featuring an ultra-secure four-alloy buckle system and weighing only 41.5 grams, it offers unmatched stability and lightweight convenience. Quick one-hand lock and release lets you stay connected on the go, while 90-degree rotation supports both portrait and landscape viewing. Perfect for gravel, MTB, and road cyclists seeking a sleek, durable, and vibration-resistant phone mount.

## Description

Bike Phone Mount,Aluminum Gravel/MTB/Road EBike Stem Cap Holder,M6 Screw | 【Series C-2nd Gen】Four Alloy Buckles,Aluminum Bicycle Cycling Mini Phone Clamp/Clip,One-Hand Quick Lock&Release,Lightweight : desertcart.in: Sports, Fitness & Outdoors

Review: Hält sicher und ist flexibel - Bei Radfahren durch schöne Gegenden finde ich vor allem das schnelle Abnehmen des Telefons zum Fotografieren sehr angenehm. Der Mechanismus funktioniert sehrt gut. Hält sehr gut ohne Wackeln auch beim Gravelfahren und man hat das Telefon in einer Sekunde in der Hand, wenn man will.
Review: めちゃめちゃよい - これに変えてからガチで振動が少ない1！ 見た目もよくてかっこいいしマストバイです 安定感もあり良い

## 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.
- 【Special for bicycle M6 screws】: Whether your bicycle STEM cover is round or other shapes, this phone holder can support it perfectly.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 to avoid the suspension of the cylinder bottom and the screw steps after the mount is installed. Note: this product is only suitable for bicycles (M6 screws), not motorcycles. Most motorcycle screws are M8, if your screw specification is M8, please choose our other M8 version/Model.
- 【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.
- 【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 41.5g (1.45 ounces).
- 【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.
- 【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 | B09K56PF94 |
| Brand | sincetop |
| Brand Name | sincetop |
| Colour | Black |
| Compatible Devices | Smartphones |
| Compatible Phone Models | Samsung Galaxy S8 |
| Compatible with Vehicle Type | Bicycle |
| Customer Reviews | 4.2 out of 5 stars 124 Reviews |
| Enclosure Material | Aluminium |
| Item Dimensions | 43 Millimeters |
| Item Weight Unit of Measure | 0.08 Kilograms |
| Manufacturer | no |
| Manufacturer Part Number | Serie C-2. Gen |
| Maximum Weight Capacity | 41.5 Grams |
| Model Name | C059-PLUS |
| Model Number | Serie C-2. Gen |
| Mounting Type | Handlebar |
| Product Features | Hand Free |
| Shape | Rectangular |
| Special Feature | Hand Free |
| Unit Count | 1 Count |
| Water Resistance Level | Water Resistant |

## Product Details

- **Brand:** sincetop
- **Colour:** Black
- **Compatible Devices:** Smartphones
- **Compatible Phone Models:** Samsung Galaxy S8
- **Mounting Type:** Handlebar

## Images

![Bike Phone Mount,Aluminum Gravel/MTB/Road EBike Stem Cap Holder,M6 Screw - Image 1](https://m.media-amazon.com/images/I/615g7xcugFL.jpg)
![Bike Phone Mount,Aluminum Gravel/MTB/Road EBike Stem Cap Holder,M6 Screw - Image 2](https://m.media-amazon.com/images/I/7101Dj-BVPL.jpg)
![Bike Phone Mount,Aluminum Gravel/MTB/Road EBike Stem Cap Holder,M6 Screw - Image 3](https://m.media-amazon.com/images/I/71-L36bPVGL.jpg)
![Bike Phone Mount,Aluminum Gravel/MTB/Road EBike Stem Cap Holder,M6 Screw - Image 4](https://m.media-amazon.com/images/I/81+JHJnR8kL.jpg)
![Bike Phone Mount,Aluminum Gravel/MTB/Road EBike Stem Cap Holder,M6 Screw - 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”.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Hält sicher und ist flexibel
*by R***R on 19 July 2026*

Bei Radfahren durch schöne Gegenden finde ich vor allem das schnelle Abnehmen des Telefons zum Fotografieren sehr angenehm. Der Mechanismus funktioniert sehrt gut. Hält sehr gut ohne Wackeln auch beim Gravelfahren und man hat das Telefon in einer Sekunde in der Hand, wenn man will.

### ⭐⭐⭐⭐⭐ めちゃめちゃよい
*by ら***む on 30 April 2026*

これに変えてからガチで振動が少ない1！ 見た目もよくてかっこいいしマストバイです 安定感もあり良い

### ⭐⭐⭐⭐⭐ Its worth it
*by F***H on 2 July 2025*

Why did you choose this product over others?: Searched high and wide. Think product is great. Only downside, now that I've changed/upgraded phone. Need a new backing bracket and case. Keeps phone steady and not had any issues.

## 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】
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**Shop now:** [https://www.desertcart.us/products/462300756-bike-phone-mount-aluminum-gravel-mtb-road-ebike-stem-cap](https://www.desertcart.us/products/462300756-bike-phone-mount-aluminum-gravel-mtb-road-ebike-stem-cap)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-09-15*