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Mongoose Impasse Dual Full Suspension Bicycle (29-Inch)

| 18 answered questions

List Price: $319.99
Price: $265.71 & FREE Shipping. Details
You Save: $54.28 (17%)
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Ships from and sold by Amazon.com.
Want it Monday, April 21? Order within and choose One-Day Shipping at checkout. Details
  • Aluminum suspension frame maximizes comfort & performance
  • Element Suspension fork smoothes the bumps and increases control
  • 21 speed Shimano rear derailleur with SRAM twist shifters changes gears easily
  • Alloy wheels with quick release front
  • Alloy front & rear disc brakes
4 new from $233.29 1 used from $242.01
Is this a gift? Please note that this item ships in its own packaging and cannot be gift-wrapped or concealed.
Need help buying the perfect bike? Visit our Bike Buying Guide with complete information on bike types, best uses, and how to measure for the right bike size and fit.

Frequently Bought Together

Mongoose Impasse Dual Full Suspension Bicycle (29-Inch) + Schwinn Thrasher Adult Micro Bicycle black/grey Helmet (Adult) + BV Bicycle Light Set, Super Bright 5 LED Headlight and 3 LED Taillight, Quick-Release, 80 Hours
Price for all three: $294.04

Buy the selected items together

Product Description

The Mongoose Impasse is the ultimate 29er at an affordable price. Equipped with an aluminum full-suspension frame, this trail-capable bike offers a smooth and controlled ride featuring an Element front fork, Shimano gearing, SRAM twist shifters, and front & rear disc brakes.

Product Details

  • Product Dimensions: 57 x 9 x 31 inches ; 44 pounds
  • Shipping Weight: 45.7 pounds (View shipping rates and policies)
  • Shipping: Currently, item can be shipped only within the U.S.
  • Origin: China
  • ASIN: B006Y5GIF6
  • Item model number: R2780
  • Average Customer Review: 3.7 out of 5 stars  See all reviews (45 customer reviews)
  • Amazon Best Sellers Rank: #9,154 in Sports & Outdoors (See Top 100 in Sports & Outdoors)
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Customer Questions & Answers

Customer Reviews

Great bike to ride.
joe garzon
If there was just a place where millions can go, look through many bikes like on a TV screen or a monitor.
Jeffrey M. Swan
Its great for riding the bike/horse trails in my town.

Most Helpful Customer Reviews

125 of 126 people found the following review helpful By Mark42 on June 9, 2012
I bought the Mongoose Impasse because it fit my budget for a full suspension 29'er mountain bike. I felt the bike was a bit of a gamble, because detail specs and reviews are just not available. But I was feeling adventurous and ordered one.

First, the bike was rather poorly packed in the Mongoose factory box. No Styrofoam packing was in the box to protect delicate pieces like the rear derailleur, or the wheel hubs. The bike came partially assembled with the front wheel tie wrapped to the frame. Just a little bubble wrap, and a few plastic protectors for the hubs that were broken and laying in the bottom of the box. As a result, the rear derailleur and mounting point were badly bent in shipping by Fed Ex. So I removed the derailleur, straightened it out, and also straightened the mounting point (near the axle drop outs). Took about an hour to get the parts back in proper alignment.

Second, the Owners Manual covers ALL Mongoose "department store" bikes, so be patient to find the section specific to the feature on your model (aka Threadless stem vs classic Quill Stem adjustment). I would have liked a shorter owners manual with more info specific to this model.

After assembly (which is not really difficult assuming there are no damaged parts), be prepared to adjust the disk brakes. They should not drag, and are easy to adjust if you follow the manual. Just be sure to spin the wheels and ensure that the disk is centered in the caliper. I also had to spend a little time making adjustments to the rear derailleur to make it shift properly (although this was probably a result of the shipping damage). If you are unsure about being able to do this sort of work, just take it to a local bike shop and they will set it up properly for you.

Now the riding.
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34 of 38 people found the following review helpful By Carol on May 24, 2012
I just recieved my new Mongoose Impasse 29" mountain bike.

I haven't riden it yet due to illnes but I'm anxious. It was easy to assemble for someone handy with a few tools. It required a metric wrench, metric hex "allen" wrench and a screwdriver.

There was no recomended rider height for this bike so I took a chance. If your jeans are over 32" long you'll be OK, I'm a little short but I'm keeping it. All the faux componants are there for a $1000+ bike and they look good.

I'm a little sensitive to false advertising so when I noticed the "ALUMINUM MONGOOSE" sticker attached to the "STEEL" rear suspension fork it set off my BS detector. The front fork is also steel which might be understandable for strength. The steel kickstand should have been aluminum even though it's not part of the frame. The seatpost,rims, stem and handlebars are aluminum. Overall my bike and I could stand to loose a few pounds but we'll work on that together. One of the plastic brake lever adjusting screw holes is striped out and I'm in the process of trying to get them to send me a replacement. So far no responce. I'm not sending the bike back for a minor defect.

I'll let you know how it works as soon as I get back on the road.


After a few miles on the Mongoose Impasse I'm satisfied with the value. Everything works as advertised.It has a very soft smooth ride and at the same time it feels tight and responsive. My previous suspension bike had a tendancy to bounce and jiggle around a little. This one just absorbs the bump and dosen't oscillate. I didn't even try the seat it came with. I bought a split gel padded one while I was waiting for shipping. Customer service at Mongoose was very good to deal with.
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51 of 60 people found the following review helpful By Real Raleigh Reviewer on January 12, 2013
Verified Purchase
I went from an old entry-level GT (Aggressor 2.0) with aluminum hard tail frame, caliper brakes, etc. Gears were getting worn. This was on sale around Black Friday so I sprung for it rather than having a new gear set installed. WOOPSE!

The old bike has a LOT of mileage and a LOT of thrashing on it. Warp in the front wheel, bull bars, scratches, dirt, everything is worn. Last couple of years I've primarily just used it for taking the kids for rides in a trailer. But it's an old trooper.

This Mongoose is just an embarrassment to itself. Let me enumerate the unfortunately lengthy list of things that are wrong right out of the box, and some inherent design flaws:

1. One of the tire tubes (rear, as it turns out) was leaky from new. A 3-mile ride and the tire is down when I pumped it up just before I left. (Fixable, but should not be the case.)
2. The front brake caliper's inner brake pad rubs against the rotor when the axle is properly seated in the fork. (Fixable, but should not be the case.) (Update: Adjusted the inner brake pad, cable tension, but it appears the front rotor is warped as well, it squeals in cycle with the front wheel rotation while riding.)
3. The crank shaft squeaks and creaks, sounds like dry or just bad bearings.
4. The derailleur is either mismatched or improperly adjusted; the chain derailed three times during my inaugural ride. (Update: further riding indicates that the gears just don't shift quickly/smoothly relative to better sets. Adjusting cable tension helped only incrementally but still could no solidly land a gear, especially when moving across several sprockets quickly.)
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