---
product_id: 326920399
title: "Fitness Crunch, Portable Ab & Sit up Training Assistant Trainer, Exercise Workout Abdominal Machine for Home Gym (Yellow)"
brand: "rivallycool"
price: "¥28260"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/326920399-fitness-crunch-portable-ab-and-sit-up-training-assistant-trainer
store_origin: JP
region: Japan
---

# Multi-Purpose Use Durable Steel Frame 3'' Thick Headrest Fitness Crunch, Portable Ab & Sit up Training Assistant Trainer, Exercise Workout Abdominal Machine for Home Gym (Yellow)

**Brand:** rivallycool
**Price:** ¥28260
**Availability:** ✅ In Stock

## Summary

> 🏋️‍♂️ Crunch Your Way to Fitness!

## Quick Answers

- **What is this?** Fitness Crunch, Portable Ab & Sit up Training Assistant Trainer, Exercise Workout Abdominal Machine for Home Gym (Yellow) by rivallycool
- **How much does it cost?** ¥28260 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/326920399-fitness-crunch-portable-ab-and-sit-up-training-assistant-trainer)

## Best For

- rivallycool enthusiasts

## Why This Product

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

## Key Features

- • **Quick Assembly:** Get started in no time with a hassle-free setup.
- • **Compact Convenience:** Easily store it away when not in use—perfect for small spaces.
- • **Max Weight Capacity:** Supports up to 330 lbs for all fitness levels.
- • **Ergonomic Excellence:** Designed to protect your neck and back during every rep.
- • **Unleash Your Core Power:** Transform your workouts with this portable ab trainer!

## Overview

The Fitness Crunch is a portable abdominal trainer designed for home workouts, featuring a sturdy steel frame, ergonomic design, and a thick cushioned headrest for comfort. Weighing just 7.7 pounds, it supports up to 330 pounds and is easy to assemble, making it ideal for fitness enthusiasts of all levels.

## Description

Fitness Crunch, Portable Ab & Sit up Training Assistant Trainer, Exercise Workout Abdominal Machine for Home Gym (Yellow)

## Features

- 【Sturdy Frame and Durable Material】 - This abs trainer is made of durable steel, making the abdominal exercise machine has a sturdy frame and long service life. More, thanks to soft foam pad, it really makes you feel good while working out. It also provides a steady grip on a smooth floor, preventing you from sliding when you use it on the floor.
- 【Ergonomic Design and Thick Pillow】- The advanced ergonomic protection design of this fitness sit-up helps prevent neck and back strain caused by sit-ups and protects you during exercise. Moreover, In addition, matching with the 3'' thick headrest pillow, the premium abdominal exercise machine helps to provide comfortable experience and relieve head pressure during training.
- 【Multi-Purpose Equipment】 This easy-to-use abdominal trainer works your core muscles while also boosting your metabolism and activating fat burning. It can help you better perform push-ups, sit-ups and other exercises to speed up abdominal muscle formation. In addition, the compact size allows you to store it in any corners when not in use.
- 【Thickened Cushioned Headrest】- This abdominal trainer comes with a 3-inch-thick headrest that doesn't require assembly. The soft headrest provides better support when you use it on the floor, while also reducing the pressure on your head during training and providing a comfortable experience.
- 【Easy to Assemble and Use】 The assembly process of this fitness equipment is very simple, and no other auxiliary tools are required. The detailed steps in the manual enable you to install all parts quickly and accurately. In addition, this abdominal trainer is so easy to use that it allows any level of fitness enthusiast to perform effective abdominal exercises.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | RIVALLYCOOL |
| Color | Yellow |
| Material | Alloy Steel |
| Item Weight | 7.7 Pounds |
| Style | Modern |
| Maximum Weight Recommendation | 330 Pounds |
| Manufacturer | RIVALLYCOOL |
| Item Package Dimensions L x W x H | 27.7 x 14.8 x 3.7 inches |
| Package Weight | 4.2 Kilograms |
| Brand Name | RIVALLYCOOL |
| Part Number | SP34841 |

## Product Details

- **Brand:** RIVALLYCOOL
- **Color:** Yellow
- **Material:** Alloy Steel
- **Item Weight:** 7.7 Pounds
- **Style:** Modern
- **Maximum Weight Recommendation:** 330 Pounds
- **Manufacturer:** RIVALLYCOOL

## Images

![Fitness Crunch, Portable Ab & Sit up Training Assistant Trainer, Exercise Workout Abdominal Machine for Home Gym (Yellow) - Image 1](https://m.media-amazon.com/images/I/51r-100ZCgL.jpg)
![Fitness Crunch, Portable Ab & Sit up Training Assistant Trainer, Exercise Workout Abdominal Machine for Home Gym (Yellow) - Image 2](https://m.media-amazon.com/images/I/617-RLZoKMS.jpg)
![Fitness Crunch, Portable Ab & Sit up Training Assistant Trainer, Exercise Workout Abdominal Machine for Home Gym (Yellow) - Image 3](https://m.media-amazon.com/images/I/61OlcHT3hmL.jpg)
![Fitness Crunch, Portable Ab & Sit up Training Assistant Trainer, Exercise Workout Abdominal Machine for Home Gym (Yellow) - Image 4](https://m.media-amazon.com/images/I/51dOpXVKQjL.jpg)
![Fitness Crunch, Portable Ab & Sit up Training Assistant Trainer, Exercise Workout Abdominal Machine for Home Gym (Yellow) - Image 5](https://m.media-amazon.com/images/I/51zN2f5mhSL.jpg)

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.jp/products/326920399-fitness-crunch-portable-ab-and-sit-up-training-assistant-trainer](https://www.desertcart.jp/products/326920399-fitness-crunch-portable-ab-and-sit-up-training-assistant-trainer)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-22*