---
product_id: 135190210
title: "SIER Adult mountain bike 26 inch 30 speed one wheel off-road variable speed shock absorber men and women bicycle bicycle,Red"
brand: "sier"
price: "FREE"
currency: EUR
in_stock: false
url: https://www.desertcart.gr/products/135190210-sier-adult-mountain-bike-26-inch-30-speed-one-wheel
store_origin: GR
region: Greece
---

# SIER Adult mountain bike 26 inch 30 speed one wheel off-road variable speed shock absorber men and women bicycle bicycle,Red

**Brand:** sier
**Price:** FREE
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** SIER Adult mountain bike 26 inch 30 speed one wheel off-road variable speed shock absorber men and women bicycle bicycle,Red by sier
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/135190210-sier-adult-mountain-bike-26-inch-30-speed-one-wheel)

## Best For

- sier enthusiasts

## Why This Product

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

## Description

note:The bike was assembled 75% when it arrived. You only need to install front wheels, handlebars, pedals, seats and air tires. It is very easy to assemble it in 15-20 minutes.Please read the bicycle installation instructions in the package before installing the bicycle and adjusting the brake and speed system.When you are finished assembling your bike, check the bike to prevent damage to the bike and your safety by loose screws or other informal assembly. We hope that you can enjoy the assembly, but if you are not sure if you can complete the assembly, please ask a professional for help.Note: If you need to assemble a bicycle at your local bike store, we regret that we have not worked with any local bike store that can be assembled for free. So you need to pay the assembly fee yourself.Quality Assurance: If you have any questions, please contact us directly for assistance. We will do our best to solve the problem for you.

## Features

- About this item
- Selected high-quality high-carbon steel, thickened wall tube is more resistant to impact and torsion, and the bicycle is safer.
- The competition-grade mechanical double-disc brakes provide better safety and durability, softer and more comfortable feel, and the brakes can be stopped instantly.
- According to the driving speed and physical strength, the speed can be adjusted freely, the hand feel is better after the upgrade, the shifting is smoother, and the driving feeling is full.
- Double shock absorption design provides more effective cushioning pressure and improves the overall road performance experience of the whole vehicle, providing you with more comfortable riding.
- The bike is for normal use only and cannot be used for competitions, stunt rides and ramp jumps. All cycles are 85% assembled and require more assembly on the pedals, levers and front wheels. Adjust the front, rear brakes and gears, as well as general inspection of all fixtures on pre-assembled components. We strongly recommend that customers bring their bicycles to a local bicycle shop for assistance, which may incur additional costs to the purchaser.

## Images

![SIER Adult mountain bike 26 inch 30 speed one wheel off-road variable speed shock absorber men and women bicycle bicycle,Red - Image 1](https://images-na.ssl-images-amazon.com/images/I/61gTQoH5nfL.jpg)
![SIER Adult mountain bike 26 inch 30 speed one wheel off-road variable speed shock absorber men and women bicycle bicycle,Red - Image 2](https://images-na.ssl-images-amazon.com/images/I/61wH1BDcsyL.jpg)

---

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**Shop now:** [https://www.desertcart.gr/products/135190210-sier-adult-mountain-bike-26-inch-30-speed-one-wheel](https://www.desertcart.gr/products/135190210-sier-adult-mountain-bike-26-inch-30-speed-one-wheel)

---

*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-01-28*