---
product_id: 267502526
title: "ROCKBROS Bike Seat Bag, Bicycle Saddle Bag Under Seat 3D Shell Cycling Seat Pack for Mountain Road Bikes Black"
brand: "rockbros"
price: "¥11114"
currency: JPY
in_stock: true
category: "Rockbros"
url: https://www.desertcart.jp/products/267502526-rockbros-bike-seat-bag-bicycle-saddle-bag-under-seat-3d
store_origin: JP
region: Japan
---

# Reflective strap for night visibility Waterproof fabric + taped zipper 1.5L capacity - compact yet spacious ROCKBROS Bike Seat Bag, Bicycle Saddle Bag Under Seat 3D Shell Cycling Seat Pack for Mountain Road Bikes Black

**Brand:** rockbros
**Price:** ¥11114
**Availability:** ✅ In Stock

## Summary

> 🚴‍♀️ Gear Up, Ride Out, Stand Out!

## Quick Answers

- **What is this?** ROCKBROS Bike Seat Bag, Bicycle Saddle Bag Under Seat 3D Shell Cycling Seat Pack for Mountain Road Bikes Black by rockbros
- **How much does it cost?** ¥11114 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/267502526-rockbros-bike-seat-bag-bicycle-saddle-bag-under-seat-3d)

## Best For

- rockbros enthusiasts

## Why This Product

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

## Key Features

- • **Weather Warrior:** Premium waterproof fabric and taped zippers shield your gear from unexpected downpours.
- • **Night Rider Safety:** Reflective strap and taillight hook boost your visibility after dark—because safety never sleeps.
- • **Snap & Go Mounting:** Upgraded straps and rubber buckle ensure a secure, hassle-free installation under your saddle.
- • **Organized Essentials:** Structured interior with mesh pockets fits keys, snacks, and tools neatly for quick access on the go.
- • **Ride-Proof Protection:** 3D shell with wave cushion absorbs shocks to keep your essentials safe on any terrain.

## Overview

The ROCKBROS Bike Seat Bag is a sleek, 1.5-liter waterproof saddle pack designed for mountain and road cyclists who demand durability and convenience. Featuring a shock-absorbing 3D shell, upgraded secure straps, and reflective elements for night safety, it offers organized storage in a compact, lightweight design that mounts effortlessly under your bike seat.

## Description

Buy ROCKBROS Bike Seat Bag, Bicycle Saddle Bag Under Seat 3D Shell Cycling Seat Pack for Mountain Road Bikes Black online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

## Features

- SPECIAL SHAPE and UPGRADE STRAPS:3D shell saddle bag with wave cushion provides inside shock resistant protection if fell out.Upgrade straps make up for the deflective old ones and support lifetime warranty
- RAINPROOF:Waterproof fabric with taped zipper for rain.Do not soak this seat bag in the water for a long time( stitches are not waterproof )
- EASY TO INSTALL:2 stickup straps and a rubber buckle simplify mount system.Moreover , it keeps bag securely attach to seat post
- NIGHT VISIBILITY:Reflective strap around the seat bag to increase night visibility while night cycling.Taillight hook compact space on the seat post ( Taillight doesn't include in the package )
- QUALITY GUARANRTEE and friendly customer service. Any questions during using contract RockBros Bicycle with pictures.ARTISTIC:Delicate details- mesh pockets , structured inside can hold cashes ,keys , snack bars and other small repair tools (W 3.22 * L 9 * H 3.93 inches)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B075CZ1JVR |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #6,297 in Sporting Goods ( See Top 100 in Sporting Goods ) #3 in Bike Seat Packs & Wedges |
| Brand Name | ROCKBROS |
| Capacity | 1.5 liters |
| Closure Type | Zipper |
| Color | Black |
| Compatible with Vehicle Type | Bicycle |
| Customer Reviews | 4.6 4.6 out of 5 stars (3,640) |
| Global Trade Identification Number | 00783057062732 |
| Handle Type | Web Handle |
| Item Dimensions L x W x H | 22.9L x 8.2W x 10H centimeters |
| Item Type Name | Travel Accessory- Toiletry Kit |
| Item Weight | 135 Grams |
| Manufacturer | ROCKBROS |
| Manufacturer Part Number | C16-BK |
| Material Type | Polyester |
| Model Number | C16-BK |
| Mounting Type | Seat Mount |
| Number of Compartments | 1 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Pattern | Solid |
| Pocket Description | Zippered Pocket |
| Shell Type | Soft |
| Size | 9 Inch L x 3.22 Inch W x 3.93 Inch H |
| Strap Type | Fixed |
| Style Name | Saddle Bag |
| UPC | 783057062732 |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** ROCKBROS
- **Colour:** Black
- **Material:** Polyester
- **Size:** 9 Inch L x 3.22 Inch W x 3.93 Inch H
- **Vehicle service type:** Bicycle

## Images

![ROCKBROS Bike Seat Bag, Bicycle Saddle Bag Under Seat 3D Shell Cycling Seat Pack for Mountain Road Bikes Black - Image 1](https://m.media-amazon.com/images/I/61e5CdQvLIL.jpg)

## Available Options

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

## Questions & Answers

**Q: There's no listed volume like some other bags, but my road kit is 2 co2 cannisters w/valve , tire levers and an extra tube. Will it hold all of that?**
A: Yes it will.  I have 2 CO2 cannisters, 2 tubes, levers, mini toolkit and room to spare for something like a garage door opener.

**Q: Will this bag hold a Samsung S9 phone?**
A: I have a Samsung Note 9, with a water proof case which measures 7" x 3 1/2" and it would note fit in the bike bag.

**Q: Bike tools, pump, tube, and a heavy chain lock will this all fit?**
A: It will be tight. I fit a 29er tube a c02 and the tool and a chain tool couple zip ties and some allen wrenches. Been working good for this race season in Arizona.

**Q: Si tengo que estacionar lo puedo llevar como un pequeño maletin**
A: Si puedes hacerlo, ponerlo solo consta en 2 velcros laterales y un seguro plástico que va alrededor del poste del asiento

## Frequently Bought Together

- ROCKBROS Bike Seat Bag, Bicycle Saddle Bag Under Seat 3D Shell Cycling Seat Pack for Mountain Road Bikes Black
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**Shop now:** [https://www.desertcart.jp/products/267502526-rockbros-bike-seat-bag-bicycle-saddle-bag-under-seat-3d](https://www.desertcart.jp/products/267502526-rockbros-bike-seat-bag-bicycle-saddle-bag-under-seat-3d)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-09-27*