---
product_id: 422850130
title: "8.6L Capacity Waterproof Bike Rear Seat Bag"
brand: "west biking"
price: "560 Lei"
currency: RON
in_stock: null
reviews_count: 13
category: "West Biking"
url: https://www.desertcart.ro/products/422850130-8-6l-capacity-waterproof-bike-rear-seat-bag
store_origin: RO
region: Romania
---

# 8.6L large capacity Double water resistant Secure no-tool velcro straps 8.6L Capacity Waterproof Bike Rear Seat Bag

**Brand:** west biking
**Price:** 560 Lei
**Availability:** ❌ Out of Stock

## Summary

> 🚴‍♂️ Ride Ready, Rain or Shine – Carry More, Worry Less!

## Quick Answers

- **What is this?** 8.6L Capacity Waterproof Bike Rear Seat Bag by west biking
- **How much does it cost?** 560 Lei with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/422850130-8-6l-capacity-waterproof-bike-rear-seat-bag)

## Best For

- west biking enthusiasts

## Why This Product

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

## Key Features

- • **Safety First:** Reflective strips and taillight hanger boost your nighttime visibility.
- • **Versatile Carry:** Transforms from bike pannier to shoulder bag for work, travel, or adventure.
- • **Weatherproof Armor:** 600D Oxford fabric + PU coating + EVA shell keep your gear dry rain or shine.
- • **Spacious 8.6L Storage:** Fits all your daily cycling essentials with room to spare.
- • **Effortless Installation:** 3 adjustable velcro straps for a rock-solid, tool-free mount.

## Overview

The West Biking Bike Rear Seat Bag offers a generous 8.6L capacity in a sleek, durable design crafted from water-resistant 600D Oxford fabric with PU and EVA reinforcements. Featuring double waterproof zippers, reflective safety strips, and a side water bottle holder, it mounts securely with adjustable velcro straps—no tools needed. Perfect for mountain, road, and electric bikes, it doubles as a shoulder bag for seamless transition from cycling to daily life.

## Description

Buy West Biking Bike Rear Seat Bag, Double Water Resistant, Zipper, Bicycle Trunk Pannier, 8.6L Capacity Waterproof Backseat Carrier Cargo Pouch with Strap & Rain Cover For Cycling: Panniers & Rack Trunks - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Extremely well made - I’ve been searching for this type of bag for a long time. The West Biking Rear bag is just the right size, not too big but large enough to carry a day’s riding essentials plus outer elastic tie down and bottle holder. It stays put on the rack and doesn’t slide around at all. Great bag 5 stars
Review: Great product - Fits bike perfectly and is very durable I would definitely buy this again, if needed

## Features

- 8.6L Large Capacity - Dimension of 15 x 6.7 x 6.7inch (L x W x H), large enough to store bike tools, bike tire pump, cable lock, clothes, wallet, phones, power bank, towels, water bottles, maps, food, etc. This under seat storage bag includes a 8.6L main compartment, with 3 inner mesh pocket, help to get your essentials well organized. The top elastic drawstring can also help you tie a lot of items,like bike pump, umbrella, clothes,etc
- High Quality & Waterproof Material - The bike rack bag is made of 600D Oxford fabric coated with PU, design with EVA material, which is water resistant, durable and lightweight, easy to clean. Water resistant material & fully waterproof double zipper to help you keep your belongings dry,it also come with a rain cover, so do not worry about cycling in rainy day. (The waterproof zipper may require a little effort to pull, and requires a little attention during use)
- Reflective Strip & Side Water Bottle Bag - The reflective webbing and LOGO design increases nighttime visibility and the hanger on the strip can hold a taillight which can also enhance cycling safety at night or in low light situations. Side water bottle bag, it is convenient for you to drink water at any time during the ride.(Remember to tighten the shrink cord when you put the kettle back)
- NEEDLESS Tool Installation - This bicycle rear seat bag come with 3 adjustable velcro straps, make it easy to be installed and unloaded in seconds, secure your Bag for maximum stability & security. This Bag does not move, shift or budge easily, helps you tie tight without getting caught in the wheel. Suitable for most bicycle racks, such as mountain bike, road bike, electric bikes
- Multifunctional Bike Accessories - You can use it as a shoulder bag or handbag depending on the occasion. When off the road, you can use it at work or school. This bike luggage bag comes with a handle and adjustable shoulder strap, rack pannier bag is not only used for bicycle cycling but also can be used as a handbag, mountain climbing bag and shoulder bag for travel, camping, picnic, ski and more occasions
- Note - Your satisfaction would be our priority. Any problem please contact us

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09WHHX1XG |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #71,889 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #29 in Bike Panniers & Rack Trunks |
| Brand | West Biking |
| Capacity | 8.6 Liters |
| Closure Type | Zipper |
| Color | black-1 |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,316) |
| Date First Available | March 25, 2022 |
| Handle Type | Web Handle |
| Item Weight | 1.37 pounds |
| Item model number | 4665756 |
| Manufacturer | West Biking |
| Manufacturer Part Number | 4677 |
| Material | 600D Oxford fabric + PU + EVA |
| Model | Pannier Bag, Cycling, Bike, Bicycle |
| Mounting Type | Rack Mount |
| Number of Compartments | 1 |
| Pattern | Striped |
| Product Dimensions | 15"L x 6.7"W x 6.7"H |
| Shell Type | PU+EVA Shell |
| Size | 15 x 6.7 x 6.7 inches |
| Special Features | 600D Oxford Fabric + PU + EVA, 8.6L Large Capacity, Bicycle Trunk Pannier Bag, Bike Rear Seat Bag, Durable, Lightweight And Easy To Clean, For Most Bicycle Racks, Such As Mountain/Road/Electric Bikes, Reflective Strip & Side Water Bottle Bag, Waterproof Material+ Double Water Resistant Zipper |
| Strap Type | Adjustable |
| Vehicle Service Type | Bicycle, Motorcycle |

## Product Details

- **Brand:** West Biking
- **Color:** black-1
- **Material:** 600D Oxford fabric + PU + EVA
- **Size:** 15 x 6.7 x 6.7 inches
- **Vehicle Service Type:** Bicycle, Motorcycle

## Images

![8.6L Capacity Waterproof Bike Rear Seat Bag - Image 1](https://m.media-amazon.com/images/I/81Usye3vK0L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Extremely well made
*by D***R on November 8, 2025*

I’ve been searching for this type of bag for a long time. The West Biking Rear bag is just the right size, not too big but large enough to carry a day’s riding essentials plus outer elastic tie down and bottle holder. It stays put on the rack and doesn’t slide around at all. Great bag 5 stars

### ⭐⭐⭐⭐⭐ Great product
*by R***B on December 12, 2025*

Fits bike perfectly and is very durable I would definitely buy this again, if needed

### ⭐⭐⭐⭐⭐ Ride
*by J***O on September 26, 2025*

This is really a nice product. This is perfect for my bike. I can get a lot of stuff in there very well designed looks really cool. Lots of pocket area in the inside. This is what I needed. Thank you very much. Nice work.

## Frequently Bought Together

- West Biking Bike Rear Seat Bag, Double Water Resistant, Zipper, Bicycle Trunk Pannier, 8.6L Capacity Waterproof Backseat Carrier Cargo Pouch with Strap & Rain Cover For Cycling
- West Biking 110Lb Capacity Almost Universal Adjustable Bike Cargo Rack Cycling Equipment Stand Footstock Bicycle Luggage Carrier Racks with Reflective Logo
- WEST Biking Updated Bike Pump with Gauge, High Pressure 260Psi, Bicycle Floor Pump Inflator for Road Bike MTB

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**Shop now:** [https://www.desertcart.ro/products/422850130-8-6l-capacity-waterproof-bike-rear-seat-bag](https://www.desertcart.ro/products/422850130-8-6l-capacity-waterproof-bike-rear-seat-bag)

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-02-06*