Mongoose Grafton Mountain Bike
- Mountain Bike
- 26 inches
- 70.99 pounds
- Manual
- More reviewed than 74%
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How it ranks among the 95 mountain bikes we track
3.4★ across 171 Amazon ratings, Bayesian-smoothed toward the category average.
171 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
Modest tracked demand last month.
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
A tan mountain bike.
Specifications
| Dimensions & fit | |
|---|---|
| Wheel Size | 26 inches |
| Maximum Weight Recommendation | 70.99 pounds |
| Item Weight | 35.49 pounds |
| Minimum User Height | 64 inches |
| Capacity & performance | |
| Bicycle Gear Shifter Type | Trigger |
| Bicycle Drivetrain Type | Derailleur |
| Number Of Speeds | 21 |
| Age Range Description | Adult |
| Power & efficiency | |
| Power Source | Manual |
| Construction & materials | |
| Frame Material Type | Aluminum |
| Wheel Material | Aluminum |
| Color | Tan |
| Included components | |
| Included Components | Mountain Bike |
| Warranty & support | |
| Warranty Type | None |
| Warranty Description | 1 year |
| Other details | |
| Suspension Type | Front |
| Bike Type | Mountain Bike |
| Is Assembly Required | No |
| Is Autographed | No |
| Skill Level | Intermediate |
| Brake Style | Disc |
| Additional Features | Aluminum Frame, Lightweight, mountain bike |
| Item Type Name | Mountain Bike |
| Specific Uses For Product | Trail |
| Derailleur Configuration | Rear |
| Style Name | Tan |
| Intended Riding Terrain | Mountain Terrain, Unpaved Trails |
How it compares
This product against the closest alternatives we track in mountain bikes.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Mongoose Grafton Mountain BikeThis product | 3.4 / 5 | 171 | 3.1 / 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 |
