---
product_id: 135910871
title: "FlexDin Bike Triangle Frame Bag, Bicycle Top Tube Bags Hard Shell Waterproof Cycling Under Seat Pack Pouch, Shockproof Mountain Bike Storage Bag for MTB/Road Bike"
brand: "flexdin"
price: "$4.15"
currency: USD
in_stock: false
reviews_count: 3
url: https://www.desertcart.us/products/135910871-flexdin-bike-triangle-frame-bag-bicycle-top-tube-bags-hard
store_origin: US
region: United States of America
---

# Waterproof Spacious Shockproof FlexDin Bike Triangle Frame Bag, Bicycle Top Tube Bags Hard Shell Waterproof Cycling Under Seat Pack Pouch, Shockproof Mountain Bike Storage Bag for MTB/Road Bike

**Brand:** flexdin
**Price:** $4.15
**Availability:** ❌ Out of Stock

## Summary

> 🚲 Elevate Your Ride with FlexDin - Where Function Meets Style!

## Quick Answers

- **What is this?** FlexDin Bike Triangle Frame Bag, Bicycle Top Tube Bags Hard Shell Waterproof Cycling Under Seat Pack Pouch, Shockproof Mountain Bike Storage Bag for MTB/Road Bike by flexdin
- **How much does it cost?** $4.15 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/135910871-flexdin-bike-triangle-frame-bag-bicycle-top-tube-bags-hard)

## Best For

- flexdin enthusiasts

## Why This Product

- Trusted flexdin brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **📏 Compact Design:** Maximizes storage without compromising aerodynamics.
- • **🧗‍♂️ Versatile Fit:** Compatible with both MTB and road bikes for all cycling enthusiasts.
- • **🔒 Secure Storage Solution:** Hard shell construction ensures your gear stays protected.
- • **🌧️ Weather-Ready Adventure:** Fully waterproof to keep your essentials safe from the elements.
- • **🚴‍♂️ Ride with Confidence:** Designed for durability and stability on any terrain.

## Overview

The FlexDin Bike Triangle Frame Bag is a hard-shell, waterproof storage solution designed for cyclists who demand durability and functionality. Its shockproof design ensures that your essentials are safe, while its compact size fits seamlessly on both mountain and road bikes. Perfect for any adventure, this bag combines practicality with a sleek aesthetic.

## Description



## Features

- P.when('A','ready').execute(function(A) {
- function setFeatureBulletsExpanderCollapsedHeight() {
- var $ = A.$;
- var PRODUCT_OVERVIEW_V2_FEATURE_MAX_HEIGHT = 540;
- var FEATUREBULLETS_TOP_MARGIN_OFFSET_CORRECTION = 12;
- var EXPANDER_HEADING_HEIGHT = 20;
- var expanderElement = $("#pov2FeatureBulletsExpander");
- if(expanderElement !== null) {
- var productOverviewFeatureElement = $('#productOverview_feature_div');
- var featureBulletsExpanderContent = $('#pov2FeatureBulletsExpanderContent');
- var featureBulletsExpanderHeading = $('#pov2FeatureBulletsExpanderHeading');
- var expanderContentHeight = featureBulletsExpanderContent.height();

## Images

![FlexDin Bike Triangle Frame Bag, Bicycle Top Tube Bags Hard Shell Waterproof Cycling Under Seat Pack Pouch, Shockproof Mountain Bike Storage Bag for MTB/Road Bike - Image 1](https://m.media-amazon.com/images/I/71DRrHIE0VL.jpg)
![FlexDin Bike Triangle Frame Bag, Bicycle Top Tube Bags Hard Shell Waterproof Cycling Under Seat Pack Pouch, Shockproof Mountain Bike Storage Bag for MTB/Road Bike - Image 2](https://m.media-amazon.com/images/I/816bOcj2NaL.jpg)
![FlexDin Bike Triangle Frame Bag, Bicycle Top Tube Bags Hard Shell Waterproof Cycling Under Seat Pack Pouch, Shockproof Mountain Bike Storage Bag for MTB/Road Bike - Image 3](https://m.media-amazon.com/images/I/71q+jv3ZoEL.jpg)
![FlexDin Bike Triangle Frame Bag, Bicycle Top Tube Bags Hard Shell Waterproof Cycling Under Seat Pack Pouch, Shockproof Mountain Bike Storage Bag for MTB/Road Bike - Image 4](https://m.media-amazon.com/images/I/71-EUZhPcML.jpg)
![FlexDin Bike Triangle Frame Bag, Bicycle Top Tube Bags Hard Shell Waterproof Cycling Under Seat Pack Pouch, Shockproof Mountain Bike Storage Bag for MTB/Road Bike - Image 5](https://m.media-amazon.com/images/I/71wzbW2vlZL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 







  
  
    Nice container
  

*by L***A on Reviewed in the United States on December 13, 2019*

Easier to open and fits just right for what I carry when I ride and not to bulky

### ⭐⭐⭐⭐⭐ 







  
  
    Perfect!
  

*by P***O on Reviewed in the United States on October 21, 2019*

Great quality, and perfect size for basic tools, wallet, whatever, and looks great on the bike!

### ⭐⭐⭐⭐⭐ 







  
  
    great fit, good size
  

*by M***Z on Reviewed in the United States on January 6, 2020*

Large enough to accommodate large cell phones +

---

## 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.us/products/135910871-flexdin-bike-triangle-frame-bag-bicycle-top-tube-bags-hard](https://www.desertcart.us/products/135910871-flexdin-bike-triangle-frame-bag-bicycle-top-tube-bags-hard)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-26*