---
product_id: 533831858
title: "THALOUS Oversized Bike Seat Backrest Comfort Memory Foam Universal | Padded PU Cushion Soft Support Durable Replacement For Tricycle Mountain Commuter Electric"
brand: "thalous"
price: "¥25716"
currency: JPY
in_stock: true
category: "Thalous"
url: https://www.desertcart.jp/products/533831858-thalous-oversized-bike-seat-backrest-comfort-memory-foam-universal-padded
store_origin: JP
region: Japan
---

# Universal fit with included tools High-resilience memory foam padding 11×8.66 in oversized cushion THALOUS Oversized Bike Seat Backrest Comfort Memory Foam Universal | Padded PU Cushion Soft Support Durable Replacement For Tricycle Mountain Commuter Electric

**Brand:** thalous
**Price:** ¥25716
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Ride in supreme comfort—because your bike seat should work as hard as you do!

## Quick Answers

- **What is this?** THALOUS Oversized Bike Seat Backrest Comfort Memory Foam Universal | Padded PU Cushion Soft Support Durable Replacement For Tricycle Mountain Commuter Electric by thalous
- **How much does it cost?** ¥25716 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/533831858-thalous-oversized-bike-seat-backrest-comfort-memory-foam-universal-padded)

## Best For

- thalous enthusiasts

## Why This Product

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

## Key Features

- • **Easy DIY Installation:** Comes with premium mounting tools and clear instructions—upgrade your ride in minutes
- • **Memory Foam Cushioning:** Soft, high-elastic latex core wrapped in durable PU for pressure relief and lasting comfort
- • **Universal Compatibility:** Fits most 0.87 in diameter seatposts—perfect for mountain, commuter, electric, and tricycles
- • **Durable & Weather-Resistant:** Waterproof, wear-resistant PU surface and carbon steel frame built to endure every ride
- • **Ergonomic Oversized Comfort:** Generous 11×8.66 inch saddle with 7.48×8.66 inch backrest for all-day ride support

## Overview

The THALOUS Oversized Bike Seat Backrest combines a spacious memory foam cushion with a supportive backrest, designed to fit most standard seatposts. Crafted with durable PU and carbon steel, it offers waterproof, wear-resistant comfort ideal for mountain, commuter, electric, and tricycle bikes. Installation is straightforward with included tools, making it the perfect upgrade for professionals seeking ergonomic cycling support.

## Description

THALOUS Bike Seat with Backrest Oversized Comfort Bicycle Saddle Replacement Soft Memory Foam Padded PU Cushion Universal for Tricycle Mountain Bike Commuter Bike Electric Bike

## Features

- Parameters: The bicycle saddle cushion size:11×8.66 in (L * W); backrest size: 7.48*8.66 in (L * W); weight: 4.17ib. Manual measurement, slight inaccuracies may occur
- Installation Instructions 1: This backrest saddle is compatible only with seatposts(tubes), Not for saddle without a tube or with Curved seatposts or with irregularly shaped seatposts. please check it carefully before purchasing. Ensure the narrowest end of the seatpost—the end connecting to the saddle—has a diameter of 0.87 inches/22 cm (most bicycle seatposts meet this specification at their narrowest point).
- Installation Instructions 2: To install a dual-rail seatpost, use a tool to remove the connector in the center of the saddle, then install the seatpost in the center of the saddle’s rails (where the connector was originally located).
- Note: The saddle is equipped with high-quality mounting tools. After installation is complete, check that all screws are securely tightened. Suitable for tricycles, mountain bikes, road bikes, commuter bikes, electric bikes, exercise bikes, etc.
- Material: High quality carbon steel is used for the connecting part of the backrest saddle, and the cushion is made of high elastic latex material. The surface is made of high density PU, waterproof, dirty and wear-resistant

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0C5LG9D1F |
| Best Sellers Rank | #36,242 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #81 in Bike Saddles |
| Bike Type | City Bike, Electric Bike, Mountain Bike |
| Brand Name | THALOUS |
| Color | Black&Grey |
| Customer Reviews | 4.1 4.1 out of 5 stars (411) |
| Included Components | 1 set of Installation Tools, 1*Bicycle saddle, 1*Installation Instruction |
| Item Dimensions L x W x H | 9.81"L x 9.45"W x 13"H |
| Item Type Name | Cycling Saddle |
| Item Weight | 4.2 pounds |
| Manufacturer | THALOUS |
| Material Type | Faux Leather, Memory Foam, Metal |
| Number of Items | 1 |
| Outer Material | Polyurethane (PU) |
| Pad Type | Memory Foam |
| Warranty Description | False |
| Weight Capacity Maximum | 1.89 kg |

## Product Details

- **Brand:** THALOUS
- **Color:** Black&Grey
- **Material:** Faux Leather, Memory Foam, Metal
- **Outer Material:** Polyurethane (PU)
- **Product Dimensions:** 9.81"L x 9.45"W x 13"H

## Images

![THALOUS Oversized Bike Seat Backrest Comfort Memory Foam Universal | Padded PU Cushion Soft Support Durable Replacement For Tricycle Mountain Commuter Electric - Image 1](https://m.media-amazon.com/images/I/61gqayRqwtL.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.jp/products/533831858-thalous-oversized-bike-seat-backrest-comfort-memory-foam-universal-padded](https://www.desertcart.jp/products/533831858-thalous-oversized-bike-seat-backrest-comfort-memory-foam-universal-padded)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-08-15*