Mongoose Argus Trail or ST Fat Tire Mountain Bike
- Mountain Bike
- 26 inches
- Manual
- Alloy Steel
- Better rated than 72%
- More reviewed than 85%
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How it ranks among the 95 mountain bikes we track
4.4★ across 512 Amazon ratings, Bayesian-smoothed toward the category average.
512 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 95 mountain bikes we track - how the scorecard works · full mountain bikes data report. Confidence: medium - useful but incomplete evidence.Last refreshed Jun 21, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
R8240AZ - a copper mountain bike.
Specifications
| Model | R8240AZ |
|---|---|
| Dimensions & fit | |
| Wheel Size | 26 inches |
| Item Weight | 42 pounds |
| Minimum User Height | 65 inches |
| Capacity & performance | |
| Bicycle Gear Shifter Type | Twist Grip |
| Bicycle Drivetrain Type | Derailleur |
| Number Of Speeds | 7 |
| Age Range Description | Adult |
| Power & efficiency | |
| Power Source | Manual |
| Construction & materials | |
| Frame Material Type | Alloy Steel |
| Wheel Material | Alloy Steel |
| Color | Copper |
| Included components | |
| Included Components | Bike |
| Warranty & support | |
| Warranty Type | Limited |
| Warranty Description | Limited lifetime |
| Other details | |
| Suspension Type | Rigid |
| Bike Type | Mountain Bike |
| Is Assembly Required | No |
| Is Autographed | No |
| Brake Style | Disc |
| Additional Features | Fat tire |
| Item Type Name | Fat Tire Bike |
| Derailleur Configuration | Rear |
| Style Name | St |
How it compares
This product against the closest alternatives we track in mountain bikes.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Mongoose Argus Trail or ST Fat Tire Mountain BikeThis product | 4.4 / 5 | 512 | 4.0 / 5 |
| Mongoose Dolomite Fat Tire Mountain Bike | 4.4 / 5 | 2,281 | 4.1 / 5 |
| Mongoose Malus Mens and Women Fat Tire Mountain BikeBrand | 4.4 / 5 | 1,500 | 4.1 / 5 |
| Schwinn Bonafide Men and Women Mountain BikeSchwinn | 4.2 / 5 | 667 | 4.1 / 5 |
| WEIZE Mountain Bike, 24 26 27.5 inch Outdoor MTB Bicycle, 6/18-Speed High-Carbon Steel…Weize | 4.1 / 5 | 599 | 4.0 / 5 |
