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  1. #1
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    Mongoose Beast Build

    Thank you all for your creative mods of the BEAST. I couldn't have done without you! I spent many hours reading all the info you guys were sharing and I'm grateful. I didn't have the luxury of a spare parts box so everything I added to my beast mod was retail. So...here are the numbers.

    VeeRubber Mission Tires(2) 80
    Surely Lite Tubes(2) 37
    Duct tape for rims 12
    Had the wheels trued 24
    Daves MudShovels (front,rear) 38
    Sunlite Alloy stem 22
    Nirve Candy Bar Cruiser Handlebar 31
    ESI Chunky grips 16
    Sunlite Cloud9 Saddle 24
    Layback Seatpost (including shipping) 34
    Yst sealed bearings for BB 9
    DiamondBack Pedals 18
    Shimano Alvivio Crank and chainring (32t) 70
    Used 22t rear cog 5
    Paint 24
    Painter 50 (I'm a lucky girl, my neighbor is a master)
    Cygolite Metro 300 Lumen USB Rechargeable Bicycle Headlight 43

    537 Parts
    212 Goose
    749 This end number did shock me but I got exactly what I wanted at this price point. I wish I had a parts box to get the $400 build but nooooo. Would I do again? Absolutely!! I think the process is a win win situation for a beginner with no knowledge. I know every part of this bike and it's a fabulous beach bike. Thanks again for all your help.

    Will finish tomorrow morning and then head to the beach. I'll post the completed bike after the shake out ride.
    Attached Thumbnails Attached Thumbnails Mongoose Beast Build-06-20-13_1030.jpg  

    Mongoose Beast Build-06-20-13_1031.jpg  


  2. #2
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    Sounds fun, that layback is nuts! Also, lets get a final weight of that Beast when it is done!
    My motorcycle runs on infant blood

  3. #3
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    i'll put it on the scale tomorrow.

  4. #4
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    Reputation: Velobike's Avatar
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    Crazy bar and seat setup. Definitely cruiser style.
    As little bike as possible, as silent as possible.
    Latitude: 5736' Highlands, Scotland

  5. #5
    MaverickMotoMedia.com
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    Maverick Moto Media Motorcycles, Mountain Biking & Social Media Mgt
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  6. #6
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    i knew i was at risk for posting this but my need for thanking people for their help out weighed the ridicule i would recieve. the bike weighed 46 with the saddle and solid steel seat post. without the massive seatpost and saddle 40.2.
    Attached Thumbnails Attached Thumbnails Mongoose Beast Build-beast2.jpg  

    Mongoose Beast Build-beast3.jpg  

    Mongoose Beast Build-beast4.jpg  


  7. #7
    FKA Malibu412
    Reputation: Glide the Clyde's Avatar
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    46# ??!! Cool build, though. And hey, if you decide you want to build another fat not based on a Walmart frame, you now have a parts box.
    Everything that kills me, makes me feel alive

  8. #8
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    Nice work, but there are already a dozen threads for beast builds. I hope you enjoy the ride!
    Maverick Moto Media Motorcycles, Mountain Biking & Social Media Mgt
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  9. #9
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    no ****...46lbs. we laughed and then took the seatpost and saddle off and weighed them. 5.5lbs. borderline insane but...i love it. i knew this build was a stepping stone to a real fat bike build and frankly i think a person needs 2, 1 for a friend. watch it go electric.

  10. #10
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    i'm sorry i didn't post on those threads...i should have.

  11. #11
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    i'm a 55 year old lesbian so please... gentle.
    Attached Thumbnails Attached Thumbnails Mongoose Beast Build-vlcsnap-2012-07-01-16h06m30s1422.jpg  


  12. #12
    FKA Malibu412
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    Quote Originally Posted by conniem View Post
    i'm sorry i didn't post on those threads...i should have.
    Nothing wrong with your own build thread at all. No breach of etiquette here. Yes on the e-mods! Enjoy the Beast.
    Everything that kills me, makes me feel alive

  13. #13
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    Quote Originally Posted by conniem View Post
    i'm a 55 year old lesbian so please gentle. translation: I'm a woman that built her own fatbike & surfs... I will kick your @$$!
    Oh heck no! I'm not falling for that one!
    Maverick Moto Media Motorcycles, Mountain Biking & Social Media Mgt
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  14. #14
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    Quote Originally Posted by conniem View Post
    i'm sorry i didn't post on those threads...i should have.
    It is perfectly ok to start a new thread for your build.

    If we listened to the naysayers there would only be 2 threads in this subforum and no new posts for the last few years because all existing knowledge is already there for the searching.

    Your build nicely demonstrates that you don't have to splash out a fortune to have fun with a bike.

    Now where's the action pics?
    As little bike as possible, as silent as possible.
    Latitude: 5736' Highlands, Scotland

  15. #15
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    I like that you kept with the cruiser approach, I'd absolutely love to have that at the beach, nice job!
    Transition Bandit 29
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  16. #16
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    Quote Originally Posted by Gigantic View Post
    Man, don't hate. That was a lot of work.
    Still cleaning my Fatback.
    It's a life style.

  17. #17
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    Unlike many who were trying to take an obvious cruiser frame and turn it into a MTB , she did it up right, as God and Mongoose intended.

    The only person who is allowed to do non cruiser bike things with a Beast is Manuel Beastly. But for a beach / chill bike, this is a very well done job.
    Transition Bandit 29
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  18. #18
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    thank you

  19. #19
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    $750?

    Boy or girl, ouch.

  20. #20
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    Yeah go electric! If you wanna go with cheap, high performance, high upkeep route go LiPo... otherwise Slap one of these batteries in the triangle and start flying over sandunes with 2000watts o' powerrr
    50V 18.5Ah Samsung Triangle Pack

  21. #21
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    I'm in the process of researching electric. any direction you guys can steer me would be appreciated. thank you kos f, i'm looking at it. i want this to be simple. front wheel drive maybe... so i can quickly just change it out. is front wheel drive doable? can i do it for 500 - 800? thanks in advance.

  22. #22
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    I was considering doing an electric conversion to one of my fatbikes for my wife in the hope of occasionally getting her out in the hills. The same logic as yours - front wheel so easy to swap back.

    I discussed it with a friend who has ridden an mtb with a front drive motor, and he reckons that for offroad you need the motor in the back wheel. He found that it is difficult to get enough traction on the front the moment the surface gets steep and loose. OK on the flat and hard surfaces though.

    It might work ok if you could get your weight over the front, but that means a cruiser style riding position is out.
    As little bike as possible, as silent as possible.
    Latitude: 5736' Highlands, Scotland

  23. #23
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    Yes within the ebike community and Endless Sphere forums people generally favor a rear motor... And what new ebikers tend find is that you end up either keeping it as a pedal bike or keeping it as an eBike. Swapping is between the two is a little difficult... No quick releases, the motor has to be bolted in very tightly. And because front dropouts are flimsier you need additional hardware(a torque arm) attaching the axle to the fork. So it would actually be easier to swap the motor in and out of the rear! I would just go with a lightweight motor ~2kg, or you might be able to set up a mid-drive system(like the hanebrink or GNG kit) to be removable. So what sort of riding will you do? What top speed on flat tarmac? Any hill climbing in the sand?

  24. #24
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    flat surface, sand and a paved hill or 2. mostly draging surfboards, sea kayaks etc. on a paddleboy trailer. maybe it will stay electric.

  25. #25
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    velobike please keep me posted.

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