700c Mongoose Sinsure Urban Single Speed Mens Bike

12 reviews ratings
By: Mongoose
Walmart #: 551892669
700c Mongoose Sinsure Urban Single Speed Men�s Bike
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  • Colored rims, stem, chain and high profile rims
  • Fitness bike
  • Steel frame
  • Gifting note: This item ships in the manufacturer's original packaging. If intended as a gift, the packaging may reveal the contents.

    About this item

    Add fitness to your daily routine when you commute with the Mongoose 700c Men's Sinsure Fitness Bike. Designed for staying in shape with an urban style, this Mongoose men's bike is ideal for riders who are looking for a simple, single speed design for exercise or commuting. Red tires, high-profile rims and vintage styled flat handlebar design give this Mongoose an unquestionably hip look that stands out in the crowd of men's fitness bikes. Designed simply and functionally, the Mongoose 700c Men's Sinsure Fitness Bike has a single speed-drive train and alloy breaks that ensure safe maneuvering on sidewalks and roads. Bring it home today.

    Please note: If you select Site to Store delivery, your bike(s) will not be assembled upon pickup.

    Mongoose 700c Men's Sinsure Fitness Bike:

    • Fitness bike
    • Steel frame for a responsive ride
    • Rigid fork provides precise steering and handling
    • Single speed drive-train for simplicity and style
    • Flat handlebar offers an upright but style driven look
    • Front and rear alloy brakes for sure stops
    • Colored rims, stem, chain and high profile rims are the latest urban style in the market
    • Assembly required
    • Dimensions: 70"L x 25.5"W x 43"H


    Bike Type: Road Bikes
    Age Start: 15 Years
    Age End: and up
    Battery Type: Does Not Contain a Battery
    Multi Pack Indicator: No
    Model No.: R5206WM
    Shipping Weight (in pounds): 34.0
    Product in Inches (L x W x H): 70.0 x 25.5 x 43.0
    Assembled in Country of Origin: Imported
    Origin of Components: Imported
    Walmart No.: 551892669

    Customer reviews

    Customer Reviews | 12 reviews | 3.6 out of 5

    3.5 stars

    12 reviews | 3.6 out of 5

    5 stars
    4 stars
    3 stars
    2 stars
    1 stars
    Would recommend to a friend



    Good Idea Marred By Poor Quality Components

    Customer review by ArturoLD

    1.0 stars by ArturoLD

    First, this isn't my first bike. In fact, I've lost count over the past 40 years and probably close to 100,000 miles of riding. A newbie I ain't. Second, my previous bike was the Fixie Thruster, a reliable model that not only lasted 3,000 miles before I gave it to a neighbor, it also managed that mileage on the same tires and tubes as when I walked out of the WM a year ago. So why is an experienced rider fooling around with sub $200 WM bikes? Mainly because I do ride them so much over roads best described as "well worn". I figure $100 or so per year beats paying 3 to 5 times that much and still having the bike beat to death in the same time frame. Plus, I reserve my better bikes for longer trips that require more comfort and endurance. In short, WM supplies my beater bikes. In brief, this is a slightly modified version of the earlier Mongoose Cachet, a bike that WM no longer sells from what I could see. The Sinsure comes with: • An unusual name. Dictionary.com shows nothing for Sinsure so either it’s foreign or just a nonsense name. Others I’ve checked with have no clue, either. • Steel frame. • Single speed freewheel. Although some may think this is a flip-flop it does not have a fixie gear installed. It has the threads to install one but you’ll have to buy it first. • Metal pedals instead of the usual plastic platforms. Close to road bike style #broad end with a more narrow opposite end#. • Decent brakes of generic manufacturer. Sidepull design. • Deep V wheelset. My LBS #local bike shop# states they are of decent quality and would probably cost $150 in most stores without tires #which are high pressure 700x25c at 100 psi instead of the 23c some state#. • Quanda hubs of better than average quality. The front wheel appears to be a 40 +/- spoke setup while the rear is your standard interlaced design. Often seen on higher end bikes since some assume the front wheel takes more grief than the rear. • Dark, brick red tires, seat and handlebar grips. The WM picture shows bright red but that must be for emphasis as these components are darker in person. • Old style mustache style handlebars with generic brake handles that appear to be chrome plated pot metal. • Smoke colored plastic chain guard. • Rear chain tensioner, an add on usually found on higher end single speeds #allows for the alignment of the rear wheel and chain without having to dismount the whole assembly#. What it doesn’t come with: • A dedicated manual. What you get is the generic tome with about 5 pages pertaining to this bike. If nothing else, it’s a catalog of what Pacific Bikes #the parent company# has to offer. • Toe clips. The pictures show them but I never saw any. Even had the bike assembler at my local store look through an unopened box – they apparently are no longer included. • No bottle bosses. If you want to add a water bottle assembly, you’ll have to opt for the “add a band” type or install your own bosses. Overall initial impressions. Mine was already built and waiting in the store so when I got it home I inflated the tires to 90 psi and took an initial spin. Mistake number one. The front tube blew up with such force it caused the valve assembly to fly off and land about 5 feet in front of the bike. That was my clue that the tubes were garbage. Mistake two was actually attempting to remove the nuts holding the wheels on. While the fronts came off with relative ease the rear wheel nuts were obviously put on at the factory with an air wrench. Even with a long handled socket wrench I still had to use a rubber mallet as a persuader to get them to cooperate. My final mistake in this area was actually attempting to remove the tires. Don’t know where they got these but they sure are tight. So tight that not even 3 tire levers would force the rear one off. Time for LBS intervention so I took the bike to the shop for them to do a review. This is what they found: • Those tires were a tight fit. Although marked as 700x25c they figured they were just a tick smaller. He literally had to use a metal spatula to get the rear tire off. Tire quality is mediocre but there is an unusual twist. Size and pressure information is not stamped on the sidewall, it’s imprinted on part of the side tread and you’ll have to look really hard to fit it. • As for tires, it appears you’re limited to maybe 28c and you may be pushing your luck at that due to fork and brake clearance. If you don’t opt for fatter tires remember you’ll have to loosen the brakes to get it past the pads. • The nuts were way over-torqued on the rear and they had to use an air wrench to finally wrestle them off. Part of the problem was that the inner surface of all nuts showed rust #I replaced them with stainless versions#. They were so over tightened the pattern of the washer was not only impressed in the paint it cut into the frame metal. • The rear freewheel is generic and unbranded, two not-so-good signs. The click and clack is the loudest I’ve heard in a while. LBS states it’s a failure waiting to happen but there is a problem – it comes with no holes to insert the removal tool. That’s a problem. • The tubes were garbage and both had to be replaced; however, there is a kicker. This bike uses Schrader valves instead of Prestas, an odd choice given the V design of the wheels. Hardly anybody makes a long valve Schrader in this size and if you do find them you’ll pay a dear premium. I opted to use long stem Prestas and they fit quite nicely without any problems #you can add rubber or metal grommets to insure the larger hole doesn’t rub against the stem#. • The rim tape, if you want to call it that, appears to have been a used tire tube cut to the rim width. Edges were jagged and the hole to allow for valve entry was too small for the included Schrader valve. • Although the front gear appeared generic and nearly identical to the Thruster the rear freewheel appears to be of better quality with decent bearings #a constant problem with the Thruster was the bearings binding#. • The handlerbar stem, much like the wheel nuts, was grossly over tightened at the factory and required that the LBS mount the bike on a rack and then use a long handle bike wrench to finally convince the lock nut to loosen. The average Joe or Jane won’t have the tools for this. • Curiously, although it appeared to be slapped together with quantity over quality, the wheels were true and the brake pads were properly aligned. That trip cost an additional $50 and that’s about what you can expect so I wasn’t too upset, but now it’s on to ride quality. For my ride test planned to take the bike on my usual early morning 15 mile trip and here's what I encountered: Day One: • You read about it above. The bad tube episode. Day Two: • Rain so my ride was limited to just 4 miles. Discovered that the tires on this puppy are not only rough riding #hey, they are high pressure# they have limited traction. Woe be to anybody hitting a sandy patch and hydroplaning in a puddle. Day Three: • Halfway thru my 15 mile trip the rear tire loses air rapidly but not violently. Took it back to LBS only to find out a thorn #called sand spurs in Florida# had gone clean through the center of the rear tire and had pierced the tube. A sand spur? Cripes, we have half a billion in this city and this tire can't handle running over one. Soon discover the tire is basically a rubber strip. • Front tire developed a bead bulge, possibly because of inferior quality in the area. • While at the LBS I’m asked why I’m riding a bike without a proper handlebar clamp bolt. I know it had one, I just checked it. Apparently it fell out during the ride but had sufficient clamping strength to avoid having the handlebar loosen. Faced with the prospect of dropping another $60+ for better tires I took it back and got another Fixie. Laugh if you will, but it’ll probably last longer than your Sinsure.

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    Lakeland, FL
    Would recommend to a friend? No
    Age:45 - 54
    Ownership:1 week or less
    Usage:Every day
    You get what you pay for (:

    Customer review by JoeytheKid

    4.0 stars by JoeytheKid

    i've seen this question alot so ima answer it. YES, the bike comes with a flipflop hub. HOWEVER, it only has the free wheel installed. you can purchase a lock ring and cog online for about 26 bucks together with the tool needed to install it. it runs a 18T freewheel and a 44T chainring if that helps anyone trying to figure out a gear ratio. I ADVISE YOU TO GET NEW TIRES IF YOU PLAN ON BUYING THE BIKE. the tires it comes with are very cheap, won't hold up to many urban settings. the bike is a really nice ride but, it's honestly just a really good entry bike if you're just starting to really bike around/commute/ or ride fixed. it's better than breaking a 300-400 dollar bike ill tell you that. the parts its come with are not the best, but they will give you a good ride. the crank has a tendency to loosen, and the bottom bracket is kinda cheap. My freewheel hub broke after about 3 months of riding. Overall the bike is good for what you pay, nothing more. it looks amazing, the bars are comfortable once you get used to them, and the ride is smooth.

    Was this review helpful? (5) (0)
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    Pomona, CA
    Would recommend to a friend? Yes
    Age:18 - 24
    Ownership:2 - 3 months
    Usage:Every day
    Awesome Value Bike

    Customer review by MXVLV2

    5.0 stars by MXVLV2

    First off, when I say value bike it doesn't necessarily mean that it's cheap - this is a relatively sturdy bike and exceeded the expectations for the costs. I'm about 6 foot even with an athletic 220 build to get an idea to reference size. I ride it daily to campus from my apartment in a nearby town center about 2-3 miles away. I also use it to ride to the local mall, buffalo wild wings, target, best buy, etc. which is about another 2-3 in the other direction. The assembly is not as hard as everyone makes it out to be (or do you need as many tools as the box says). You'll need a couple Allen-keys, a couple socket wrenches, and approximately 25 minutes of free time - which is really about 15 minutes if you get all your "adjustables" right the first go around. Simply said, building this thing straight out the box is a lot easier than some people make it out to be. This should not intimidate any buyer. If you're going to ride the bike then you might as well learn how to put it together. If you're going strictly off the aesthetics of this bike then sure, it is definitely appealing to the eyes. I've received a lot of compliments solely based on how it looks. The leather seat really sets it off, albeit not so comfortable. My only complaint at first was the handle bars...they were a bit different to get used to. At first I contemplated changing them to the drop handlebars, but I think the stock ones will do for now. I will definitely change to leather handlebar tape as it really accentuates the leather in the seat and gives it a cleaner profile. As far as ride goes, it's pretty smooth - about 7.6 on a scale of 1-10, but perhaps that's because it isn't fully broken in yet. I'm sure as I get some more miles and the gear loosens up it'll be about an 8, so not much you can ask for. I am worried about the tires it came with. They seem a bit cheap for the terrain I'll be on, but no accidents yet so they're still holding up. I will definitely be changing these in the near future as well. My only real complaints is that although I bought this bike in large part because of its value and its appeal (especially the leather seating), the seat is probably the most uncomfortable part of this bike...it is really stiff. Is that enough to deter you from buying the bike? It shouldn't be as it's an interchangeable part that's relatively inexpensive, but to each his own. I plan on riding this bad boy until the wheels fall off...in which case I'll buy new wheels!

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    Hampton Roads
    Would recommend to a friend? Yes
    Age:18 - 24
    Ownership:2 - 7 weeks
    Usage:Every day
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