Go all out off road with the Grafton Mountain Bike by Mongoose. Great for ripping down rugged mountain trails, this hardtail aluminum bike features a suspension fork, internal headset, and 21-speed trigger shifters for excellent performance every time you ride. Mechanical disc brakes deliver all-weather stopping power and speed control, while 2.3-inch wide knobby mountain tires provide extra grip and stability. Plus, those aluminum double wall rims add strength without weighing you down. What are you waiting for? Your wild ride has arrived with the Grafton by Mongoose.
Mongoose Grafton Adult Mountain Bike, Hardtail, 21-Speed Drivetrain, 17-Inch Aluminum Frame, 26-27.5-Inch Wheels
Rated 3.33 out of 5 based on 9 customer ratings
(10 customer reviews)
$349.99
Bike Type | Mountain Bike |
Age Range (Description) | Adult |
Brand | Mongoose |
Number of Speeds | 21 |
Color | Blue |
Wheel Size | 27.5 Inches |
Frame Material | Aluminum |
Suspension Type | Front |
Special Feature | Aluminum Frame, mountain bike |
Included Components | Bike |
- Aluminum mountain frame with modern geometry is great for ripping down rugged mountain trails with 27.5-inch wheels that fit riders 64 to 74 inches tall
- Hardtail frame with suspension fork is ready for off-road riding and internal headset offers a clean, streamlined look
- 21-speed trigger shifters provide smooth gear changes
- Mechanical disc brakes deliver all-weather stopping power
- 2.3-inch wide knobby mountain tires provide extra grip and stability paired with aluminum double wall rims that add lightweight strength
SKU:
B0BRBT2Y4X
Categories: Bikes, Cycling, Mountain Bikes, Sports, Sports & Outdoors
Description
Additional information
Size |
ā26-Inch Wheels, 27.5-Inch Wheels |
---|---|
Package Weight |
ā19.89 Kilograms |
Color |
Tan, āTeal, Blue |
Item Weight |
ā16.8 Kilograms |
Brand Name |
āMongoose |
Warranty Description |
āLimited |
Model Name |
āGrafton |
Material |
āAluminum |
Suggested Users |
āunisex-adult |
Part Number |
āR8002 |
Model Year |
ā2022 |
Style |
āGrafton |
Included Components |
āBike |
Skill Level |
āIntermediate |
ASIN |
B09YC7SLF7 |
Date First Available |
April 20, 2022 |
Manufacturer |
āPacific Cycle, Inc. |
Reviews (10)
10 reviews for Mongoose Grafton Adult Mountain Bike, Hardtail, 21-Speed Drivetrain, 17-Inch Aluminum Frame, 26-27.5-Inch Wheels
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Steven Valtierra –
Very easy to assemble no damage what so ever thankfully. Just needs some easy tuning on the gears and your all set. Overall iām very satisfied with this bike.
Peter Rocco –
Ā The bike came completely bent, I called their customer support and they said they donāt have the replacement part till April. I have no means of transporting the bike to return it and I live in a city where if I leave it outside for an Amazon return, it will get stolen. Donāt buy any of these bikes if youāre in the same situation. This was already repacked and sold as a return by Amazon. They didnāt check it throughly enough to see itās defective.
Michael –
Rides smooth and comfortable
Frank –
Design is very nice. The frame and size seemed small for my height (5ā6ā).Very poor quality components which break easily so be careful with the assembly and fine tuning.Once one starts to assemble the bicycle, trouble starts. There were issues with every item that needed assembly. The instructions donāt help either.Make sure one fine tunes all the gears and derailleurs before riding the bicycle.Maybe Amazon should spend some money on assembly and fine tuning the bicycles it sells and after this sending them out to the customers fully assembled.
Sebastian Tauber –
Excellent bike at excellent price.
Joe Joe Joe Joe –
I was really excited to get this bike so my expectations may have been a little high. Although I’m not an expert, I’ve had many bikes of all kinds over the years from mountain bike to street bikes to hybrids and this one was a bit disappointing. It looks great and was pretty easy to assemble. It’s strong and the gear shift is great. My main problem is with the front disc break.I’ve never been a fan of disc breaks on bikes. They require some serious precision. I feel like I can fix about 70% of stuff on bikes but not disc breaks. The front fork didn’t fit perfectly on the wheel so maybe there was an issue there from shipping but I got it on with some effort. But the break was rubbing the disk when I got it on. So I tried to calibrate and after about an hour tinkering (after adjusting the break, it was rubbing in one spot and so I pushed in that part of the disc and that seemed to fix that) and some added washers in there I was able to get it so that the disc didn’t rub at all when rotating the wheel. I come back a couple days later to ride and it’s rubbing again all the time. Really annoying. The pre-assembled back break is fine though I need to tighten it.Along with that, the bike is just awkward. Granted, I’m used to riding two hybrids, so the lower handlebars are a change, but the seat is much more narrow and uncomfortable and the handlebars being wider than normal is weird.The hydraulics are fine and the oversized wheels are great and provide a nice comfortable ride, though it’s not the smoothest to turn (I can’t figure out if that’s from the handlebars or what).
eric –
Not a bad mountain bike, especially considering the price. Comes almost completely assembled, and almost anyone can finish putting it together. Just basic things like the seat and pedals. The frame is a nice light blue and even though it’s a hardtail, the front suspension works pretty well for light off road and street use.21 speed Shimano gears shift fairly smoothly and didn’t need any adjustments, and the brakes work well. Cable activated disc brakes front and rear work perfectly fine for everyday use, no issues at all with those.Obviously at this price some of the components are not the best quality and I was expecting that. But overall I’m very happy with how it rides and the feel of the seat and handlebars. Frame is aluminum so it’s somewhat lightweight but it’s not going to be the strongest thing and I wouldn’t recommend it if you want to do any serious downhill riding. For just cruising around or going on dirt paths, it works well and I would not have guessed it was under 400 dollars just from looking at it. I’m not a bike expert but I’ve owned a few in my day and I’m really happy with this one. I don’t expect it to last forever, but so far it’s been a very solid mountain bike. Parts can be upgraded if you wanted to do that, it seems to use standard sizes for everything. I’m just at the height limit for this bike and I’m pretty comfortable riding it. It is a full sized bike so it may be a bit big for someone under 5 foot 2 or so.
Armando Prats –
BOX & BIKE CAME DAMAGED. WHAT A DISAPPOINTMENT BECAUSE IT’S A BEAUTIFUL BIKE.
Kelsey Santiago –
Broken Parts Sent; Had to Immediatey Ask for Replacement PartsI couldn’t attach my handlebars because the joiner piece had a wonky bottom screw hole. Super annoying as it added weeks to me being able to actually use my bike.
Peter Lewis –
Mild disapointmentWell bike is fine. Bottom bracket bearings loose. And rear tire bearings open as well. All in all you get what you pay for. Just have to spend a couple hundred getting it fixed. When it’s new there should not be this issue.