---
product_id: 295284684
title: "ROCK BROS Bike Trunk Bag Bicycle Rack Rear Carrier Bag Commuter Bike Luggage Bag Pannier with Rain Cover"
brand: "rockbros"
price: "KSh4173"
currency: KES
in_stock: true
url: https://www.desertcart.co.ke/products/295284684-rock-bros-bike-trunk-bag-bicycle-rack-rear-carrier-bag
store_origin: KE
region: Kenya
---

# 13L max capacity Includes rain cover Secure 6-strap fastening ROCK BROS Bike Trunk Bag Bicycle Rack Rear Carrier Bag Commuter Bike Luggage Bag Pannier with Rain Cover

**Brand:** rockbros
**Price:** KSh4173
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Elevate your commute with the ultimate bike trunk bag—ride smart, ride stylish!

## Quick Answers

- **What is this?** ROCK BROS Bike Trunk Bag Bicycle Rack Rear Carrier Bag Commuter Bike Luggage Bag Pannier with Rain Cover by rockbros
- **How much does it cost?** KSh4173 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.ke](https://www.desertcart.co.ke/products/295284684-rock-bros-bike-trunk-bag-bicycle-rack-rear-carrier-bag)

## 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

- • **All-Weather Ready:** Stay worry-free with a dedicated rain cover and water bottle holder featuring an adjustable drawstring to prevent spills.
- • **Ride Safe, Be Seen:** Reflective straps plus taillight compatibility ensure you stand out during night rides or low-light conditions.
- • **Rock-Solid Stability:** Thick foam padding and six secure straps keep your bag perfectly balanced—no sagging or shifting, even on bumpy rides.
- • **Spacious 13L Capacity:** Organize your essentials with multiple compartments and expandable side pockets for all-day rides or commutes.
- • **Versatile Fit for Every Bike:** Universal rack mounting fits fat bikes, e-bikes, and commuter bikes—plus a convenient carry strap for off-bike portability.

## Overview

The ROCK BROS Bike Trunk Bag offers a 13L capacity with multiple compartments and fold-out side pockets, reinforced by thick foam padding for shape retention and protection. It securely attaches to any bike rack with six straps and buckles, includes a rain cover and carry strap for portability, and features reflective elements plus taillight compatibility for enhanced safety. Crafted from durable polyester, it weighs just 721g and is designed for versatile use across fat bikes, e-bikes, and commuter bikes.

## Description

ROCK BROS Bike Trunk Bag 13L Maximum Capacity Main Compartment with Some Inside Pockets for Classified Storage, Fold-out Pockets on Each Side for Expanded Capacity to Hold a Lot of Side Items and Incidentals. Thicken Foam Padded Holding Its Shape and Four Straps Fastened Securely Bike Rack Bag to The Rack. Reflective straps and Compatible with Taillight Provides Good Visibility, Package with the Rain Cover and the Carry Strap for Portable   Brand: ROCK BROS  Material: Polyester  Dimensions: 35.4*16.7*16.2cm / 13.9*6.6*6.4 inches  Weight: 0.747kg   Package Includes:  1* Bike Trunk Bag  1* Rain Cover  1* Single Shoulder Strap   100% Satisfaction Guaranteed: We offer a 100% satisfaction guarantee. If the bike trunk bags are defective or damaged within 90 days,  we will replace it for you or provide a full refund, please buy with confidence.

## Features

- MULTIPLE COMPARTMENTS & EXTENSIBLE DOUBLE SIDE POCKETS: 13L Maximum capacity bike trunk bag main compartment with a removable board, and some inside pockets to help with a bit of organization for small things. Fold-out pockets on each side for expanded capacity to hold a lot of side items and incidentals. For a day ride or daily commute, this is a good choice
- STABLE CONSTRUCTION & PROTECTION: Thicken foam pad fills the inside bottom and sides of the trunk bag for holding its shape and protecting your items. It will not collapse to one side or the other even if nothing is in it
- PORTABLE: Package with the rain cover and the carry strap. You will want to take this trunk bag with you if you go on a stroll and don't need to worry about it being stolen. The water bottle holder with adjustable drawstring design are helpful for avoiding the water bottle fall out on a bumpy ride
- REFLECTIVE STRAPS & COMPATIBLE WITH TAILLIGHT FOR SAFETY: Reflective straps on the bike luggage bag provides good visibility, the strap at the back for attaching rear light. You'll want to add some reflective items to ensure your safety if you're a night rider
- EASY TO ATTACH & STAYS IN PLACE: 2 straps on the front of the rack, the 2 long straps going across the rack as well as 2 fixed buckle, it's fastened securely to the rack and doesn't shift. Bike rack bag fits for any racks, such as fat bikes, e-bikes and other commuter bikes

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Colour | Black |
| Size | S |
| Brand | ROCK BROS |
| Material | Polyester |
| Vehicle Service Type | Bicycle |
| Pattern | Solid |
| Mounting Type | Rack Mount |
| Strap Type | Adjustable |
| Capacity | 13 litres |
| Closure Type | Buckle |
| Handle Type | Web Handle |
| Number of Compartments | 1 |
| Pocket Description | Flap Pocket |
| Shell Type | Soft |
| Manufacturer | ROCK BROS |
| Product Dimensions | 35.31 x 16.76 x 16.26 cm; 721 g |
| Item model number | A9-BK |
| Manufacturer Part Number | A9-BK |
| Outer Material | polyester |
| Item Weight | 721 g |

## Product Details

- **Colour:** Black
- **Size:** S
- **Brand:** ROCK BROS
- **Material:** Polyester
- **Vehicle Service Type:** Bicycle

## Images

![ROCK BROS Bike Trunk Bag Bicycle Rack Rear Carrier Bag Commuter Bike Luggage Bag Pannier with Rain Cover - Image 1](https://m.media-amazon.com/images/I/71LMuwVgDBL.jpg)
![ROCK BROS Bike Trunk Bag Bicycle Rack Rear Carrier Bag Commuter Bike Luggage Bag Pannier with Rain Cover - Image 2](https://m.media-amazon.com/images/I/71aelbW9POL.jpg)
![ROCK BROS Bike Trunk Bag Bicycle Rack Rear Carrier Bag Commuter Bike Luggage Bag Pannier with Rain Cover - Image 3](https://m.media-amazon.com/images/I/71pFvmWDlkL.jpg)
![ROCK BROS Bike Trunk Bag Bicycle Rack Rear Carrier Bag Commuter Bike Luggage Bag Pannier with Rain Cover - Image 4](https://m.media-amazon.com/images/I/71yjz-OHiML.jpg)
![ROCK BROS Bike Trunk Bag Bicycle Rack Rear Carrier Bag Commuter Bike Luggage Bag Pannier with Rain Cover - Image 5](https://m.media-amazon.com/images/I/811OMcWxqZL.jpg)

## Questions & Answers

**Q: Does this come with the rack to hold the back?  Or is the rack a separate purchase?**
A: The rack is a separate purchase.

**Q: Does the rack come separately from bag and how do i get to look at those?**
A: The rack is separate from the trunk bag ... you will need to look up racks compatible with your type of bike ...

**Q: Main compartment internal dimensions please?**
A: 13"  L  x 6" W x  5" H

**Q: Can this rack work on a carbon seatpost?**
A: Absolutely!! As long as you install cargo rack. So much room for a lot of stuff. You cant go wrong .enjoy your new bag.

## Frequently Bought Together

- ROCKBROS Bike Rack Bag Bicycle Bag Trunk Rear Rack Bag Bike Panniers Bike Accessories Basket Storage Luggage Saddle Shoulder Bag 13L for E bike, Bicycle With Rain Cover
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- Lamicall Bike Phone Holder, Motorcycle Phone Mount - Motorcycle Handlebar Cell Phone Clamp, Scooter Phone Clip for iPhone 15 Pro Max/Plus, 14 Pro Max, S9, S10 and More 4.7" to 6.8" Smartphones

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**Shop now:** [https://www.desertcart.co.ke/products/295284684-rock-bros-bike-trunk-bag-bicycle-rack-rear-carrier-bag](https://www.desertcart.co.ke/products/295284684-rock-bros-bike-trunk-bag-bicycle-rack-rear-carrier-bag)

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*Product available on Desertcart Kenya*
*Store origin: KE*
*Last updated: 2026-02-14*