---
product_id: 307410081
title: "ROYCE UNIONRTT 21-Speed Mountain Bike, Aluminum Frame, Trigger Shift"
brand: "royce union"
price: "€ 2943.56"
currency: EUR
in_stock: true
url: https://www.desertcart.hr/products/307410081-royce-unionrtt-21-speed-mountain-bike-aluminum-frame-trigger-shift
store_origin: HR
region: Croatia
---

# 21-speed Shimano drivetrain Tools included for fast assembly Lightweight aluminum frame ROYCE UNIONRTT 21-Speed Mountain Bike, Aluminum Frame, Trigger Shift

**Brand:** royce union
**Price:** € 2943.56
**Availability:** ✅ In Stock

## Summary

> 🚵‍♂️ Own the Trail, Own the Moment

## Quick Answers

- **What is this?** ROYCE UNIONRTT 21-Speed Mountain Bike, Aluminum Frame, Trigger Shift by royce union
- **How much does it cost?** € 2943.56 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/307410081-royce-unionrtt-21-speed-mountain-bike-aluminum-frame-trigger-shift)

## Best For

- royce union enthusiasts

## Why This Product

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

## Key Features

- • **Safety in Every Stop:** Alloy linear pull brakes with machined rims deliver reliable, smooth stopping power on any terrain.
- • **Trail-Ready Durability:** Robust yet lightweight aluminum frame ensures agile handling and rust-free rides season after season.
- • **Comfort Meets Performance:** Front suspension fork and padded adjustable saddle absorb bumps and customize your fit for all-day rides.
- • **Ready to Ride, Right Out of the Box:** Comes with all assembly tools and a quick-release binder for fast setup and perfect saddle height.
- • **Precision Shifting at Your Fingertips:** Smooth 21-speed Shimano EZ Fire Plus trigger shifting keeps you in control without wrist strain.

## Overview

The Royce Union RTT 21-Speed Mountain Bike combines a lightweight aluminum frame with a complete Shimano drivetrain for ultra-smooth 21-speed shifting. Designed for trail enthusiasts, it features front suspension to absorb shocks, reliable linear pull brakes for confident stopping, and an adjustable padded saddle for personalized comfort. Delivered with all necessary tools for quick assembly, this bike is built to elevate your outdoor adventures with precision and style.

## Description

ROYCE UNIONRTT 21-Speed Mountain Bike, Aluminum Frame, Trigger Shift

## Features

- Assembly tutorial located under the images; The RTT features a lightweight, durable aluminum frame for easier handling on the trails and 21 speeds with smooth trigger shifting; radiant silver frame with gloss overcoat looks sharp
- We deliver this bike with all tools included for fast assembly; 20-inch frame is suggested for a minimum inseam of 32.5 inches; 18 and 22 inch frames also available; knobby tread digs into the terrain for a solid grip on trails and paths
- The Shimano EZ Fire Plus Trigger and TY 300 rear indexed derailleur deliver 21 speeds of ultra smooth shifting with just your index finger and thumb; it’s a complete Shimano drivetrain for precise, efficient performance
- Lightweight alloy linear pull brakes with machined alloy wheel rims enable superior brake pad contact to deliver smooth stopping power; slight-rise handlebar enables upright riding so less back and shoulder strain
- The padded saddle, with quality side stitching, can be adjusted for the perfect height and angle; the alloy quick release binder lets you easily customize for a proper fit; suspension fork absorbs bumps and dips with ease

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Age Range | Adult |
| Bike Type | Mountain Bike |
| Brake Type | Linear Pull |
| Color | Silver |
| Size | 26 inch wheels - 20 inch frame |
| Style | Men's |
| Frame Material | Aluminum |
| Frame Size | 20 Inches |
| handle-type | Mountain Bar |
| Material Type | Aluminum |
| Number of Items | 1 |
| Number of Speeds | 21 |
| Features | Lightweight, Aluminum Frame, 21 Speed, Shimano Drivetrain |
| Usage | Trail |
| Speed Rating | 21 Speed |
| Suspension | Front |
| Wheel Size | 26 Inches |
| Included Components | Assembly Tools, Bicycle, Product Manual |
| Brand | ROYCE UNION |
| Department | mens |
| Manufacturer | The Huffy Bicycle Company |
| Item model number | 76428 |
| Product Dimensions | 145.01 x 23.01 x 72.01 cm; 18.26 kg |
| ASIN | B07BRRCRRD |

## Product Details

- **Bike type:** Mountain Bike
- **Age range (description):** Adult
- **Brand:** ROYCE UNION
- **Number of speeds:** 21
- **Colour:** Silver

## Images

![ROYCE UNIONRTT 21-Speed Mountain Bike, Aluminum Frame, Trigger Shift - Image 1](https://m.media-amazon.com/images/I/81M2d9xvgtL.jpg)
![ROYCE UNIONRTT 21-Speed Mountain Bike, Aluminum Frame, Trigger Shift - Image 2](https://m.media-amazon.com/images/I/91JqSbPNPkL.jpg)
![ROYCE UNIONRTT 21-Speed Mountain Bike, Aluminum Frame, Trigger Shift - Image 3](https://m.media-amazon.com/images/I/91UxHwe1QVL.jpg)
![ROYCE UNIONRTT 21-Speed Mountain Bike, Aluminum Frame, Trigger Shift - Image 4](https://m.media-amazon.com/images/I/81Z0FR8oVvL.jpg)
![ROYCE UNIONRTT 21-Speed Mountain Bike, Aluminum Frame, Trigger Shift - Image 5](https://m.media-amazon.com/images/I/81YFChcdPhL.jpg)

## Available Options

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

## Questions & Answers

**Q: I'm 6'1". Which frame size would be more appropriate, 20" or 22"?**
A: 22. I am 5'6 and the 20 inch is perfect. My brother who is 5'11 has the 22". No complaints

**Q: What length top tube?  Also, what size pedal cranks?**
A: The 18 inch frame has a top tube length of 22 inches, the 20 inch frame has 22.75 inch top tube, and the 22 inch frame has a length of 23.4 inches.  Thanks

**Q: I am 5'11'' i see a mix of 22 and 24 for my height any more reviewers?**
A: 5 6 here and I got a 24. Should've got a 22. But still comfortable. Should be fine for you tall people. Hahahahahaha

**Q: Can i person the os a lot over 300lbs ride or is there a wight limit?**
A: There is no weight limit that I am aware of. Great bicycle.

## Frequently Bought Together

- ROYCE UNION RTT
- BV Chromium Adjustable Bicycle Kickstand with Concealed Spring-Loaded Latch, for 24-29 Inch - Bike Kickstand, Bike Kick Stands for Adult Bikes, Bike Kickstand 26 inches

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**Shop now:** [https://www.desertcart.hr/products/307410081-royce-unionrtt-21-speed-mountain-bike-aluminum-frame-trigger-shift](https://www.desertcart.hr/products/307410081-royce-unionrtt-21-speed-mountain-bike-aluminum-frame-trigger-shift)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-02-24*