Mongoose CX Supermoto 4000W Mid-Drive Torque monster

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evolutiongts   10 kW

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Mongoose CX Supermoto 4000W Mid-Drive Torque monster

Post by evolutiongts » Sep 20 2014 9:35am



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*Humble Beginnings*

Picked up one of these for $60
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Last edited by evolutiongts on Jan 02 2015 10:10am, edited 4 times in total.
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Re: Mongoose CX Mid Drive Moped Tires

Post by evolutiongts » Sep 20 2014 9:38am

Big Brakes and Front Fork, also put on Shinko 714 Moped tires.

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New 36v controller and Cycle Analyst hookup. Amazing torque.

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Re: Mongoose CX Mid Drive Moped Tires

Post by gogo » Sep 20 2014 10:15am

+1 for different forks, the originals are prone to bending. Those swingarms can be mounted to larger frames, too. Did you get a sense of the performance difference of knobby vs. smooth tires?
"A conclusion is the place where you got tired of thinking." -Steven Wright

evolutiongts   10 kW

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Re: Mongoose CX Mid Drive Moped Tires

Post by evolutiongts » Sep 20 2014 10:21am

Big time, the moped tires have much better grip. Now I need taller gearing. The stock freewheel is a 20T
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Re: Mongoose CX Mid Drive Moped Tires

Post by evolutiongts » Sep 22 2014 3:23pm


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Tommy L   100 kW

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Re: Mongoose CX Mid Drive Moped Tires

Post by Tommy L » Sep 23 2014 6:52am

What front fork did you choose and why?

Tommy L sends.....
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48.2mph/77.8kph Club

evolutiongts   10 kW

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Re: Mongoose CX Mid Drive Moped Tires

Post by evolutiongts » Sep 23 2014 11:09am

Rockshox Dart 3 because I had them lying around in the garage.
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Re: Mongoose CX Mid Drive Moped Tires

Post by evolutiongts » Sep 30 2014 10:59am

Hit 30mph on 10S

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Dauntless   100 GW

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Re: Mongoose CX Mid Drive Moped Tires

Post by Dauntless » Oct 01 2014 12:35am

evolutiongts wrote:Picked up one of these for $60
(Sigh)

I search and I search, others simply stumble onto them. . . .
Any sufficiently advanced technology is INDISTINGUISHABLE FROM MAGIC!
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evolutiongts   10 kW

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Re: Mongoose CX Mid Drive Moped Tires

Post by evolutiongts » Oct 01 2014 9:44am

Dauntless wrote:
evolutiongts wrote:Picked up one of these for $60
(Sigh)

I search and I search, others simply stumble onto them. . . .
I just did a random search on craigslist for electric bike, and found it!

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http://www.electricrt.com
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Re: Mongoose CX Mid Drive Moped Tires

Post by wineboyrider » Oct 01 2014 10:10am

http://elpaso.craigslist.org/bik/4626826496.html
Here is one in Albuquerque. Is it worth $120?
:?
ES IS SAVED! THANK YOU JUSTIN.

evolutiongts   10 kW

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Re: Mongoose CX Mid Drive Moped Tires

Post by evolutiongts » Oct 01 2014 10:47am

I'd pay him less than that since your going to want to swap out parts anyway, I really just got it for the frame. Since it has a large battery storage area, full suspension.

The lead acid batteries are junk, I switch those out for lipo. Stock fork and rear shock were swapped out for Rockshox Dart 3 and Fox Float R.

I'm running the stock currie motor at 40v and it hauls ass, but I'm gonna be replacing it with a bigger motor in the future.

But its such a fun bike, its like a trials bike / mini motorcycle / urban assault / backyard / sidewalk / park / very versatile bike.

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Re: Mongoose CX Mid Drive Moped Tires

Post by Dauntless » Oct 02 2014 12:09am

evolutiongts wrote:
Dauntless wrote:
evolutiongts wrote:Picked up one of these for $60
(Sigh)

I search and I search, others simply stumble onto them. . . .
I just did a random search on craigslist for electric bike, and found it!
I do a DAILY search, Mongoose CX, Mongoose Electric. The rare hit begins the process of my getting no response from the seller.

I'm not sure, was it 4 years ago I started? Normal price to see when they do pop up is around $75.
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Re: Mongoose CX Mid Drive Moped Tires

Post by skeetab5780 » Oct 02 2014 5:56am

I almost got one of these once, But apparently it is just some guy in Connecticut that has one posted on craigslist for the last 2 years and its sold already but he insists on keeping the post there. Or maybe he is scamming :) never know. The video of that motor spinning makes it sound pretty quiet. I would have thought it to be loud and annoying.

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Re: Mongoose CX Mid Drive Moped Tires

Post by r3volved » Oct 02 2014 7:42am

Here's one in the GTA for any Ontarians...bit pricey
http://www.kijiji.ca/v-kids-bike/markha ... nFlag=true

I'd probably buy that though if I had some way to get it home. Looks like a real fun platform

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Re: Mongoose CX Mid Drive Moped Tires

Post by gogo » Oct 02 2014 9:55am

r3volved wrote:Here's one in the GTA for any Ontarians...bit pricey
http://www.kijiji.ca/v-kids-bike/markha ... nFlag=true

I'd probably buy that though if I had some way to get it home. Looks like a real fun platform
Usually you can see the original forks bent backward in pictures, but they're bent forward in the kijiji ad. the original forks are very weak.

The main useful bit on the CX450 is the swingarm because it can be bolted to larger rear-suspension frames. The CX450 frame is small and isn't comfortable to pedal while on the saddle for average adult size. If you're not expecting to pedal, the CX450 is a fun configuration.
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Re: Mongoose CX Mid Drive Moped Tires

Post by evolutiongts » Oct 02 2014 9:59am

I swapped out the front fork asap.

Its a fun bike, with 16 inch moped tires, 20T freewheel, and 40volts it has torque. It can carry me and my fiance at the same time, we hit 23mph while riding together. With the 16T we were hitting 25mph and 29mph while riding alone.
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Re: Mongoose CX Mid Drive Moped Tires

Post by r3volved » Oct 02 2014 1:36pm

gogo wrote:Usually you can see the original forks bent backward in pictures, but they're bent forward in the kijiji ad. the original forks are very weak.

The main useful bit on the CX450 is the swingarm because it can be bolted to larger rear-suspension frames. The CX450 frame is small and isn't comfortable to pedal while on the saddle for average adult size. If you're not expecting to pedal, the CX450 is a fun configuration.
The front fork and rear shock would definitely need upgrading whether they worked or not...and I'm short so would be perfect for me. Evolutiongts definitely peaked my interest with all his damn fun looking videos

evolutiongts   10 kW

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Re: Mongoose CX Mid Drive Moped Tires

Post by evolutiongts » Oct 04 2014 2:04pm

Acceleration Run, 20T freewheel, geared for 25mph and good torque. Loud high rpm operation.

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Re: Mongoose CX Mid Drive Moped Tires

Post by evolutiongts » Oct 08 2014 12:45pm

Big block has arrived.

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Re: Mongoose CX Mid Drive Moped Tires

Post by evolutiongts » Nov 01 2014 1:03pm

Image

Still waiting for machine shop to finish machining the shaft.

With 22t and 9t Currie motor, 22mph top speed its perfect for short trips around town.
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Re: Mongoose CX Mid Drive Moped Tires

Post by evolutiongts » Nov 01 2014 3:02pm

Its a Mongoose CX24v450w I picked up for Craigslist for $60. Tossed the SLA batteries and used 40v Hobbyking Lipos.

Also switched out the 20" Bmx tires for 16" Shinko SR714 Moped Tires.

Changed the rear sprocket from 20T to 22T, giving more torque for hill climbing and acceleration.

Added Cycle Analyst, and a headlight that runs off the battery pack.(10-85v)

Upgraded the suspension to Rockshox Dart 3 and Float Float R
http://www.electricrt.com
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Schwinn 405 2WD Track Bike 18KW
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10Kw KMX death trike
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Sabvoton 72V150A
Moto Wheels all around
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Re: Mongoose CX Mid Drive Moped Tires

Post by evolutiongts » Nov 17 2014 10:15am

BHT 1000w brushless motor mounted and ready.

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Re: Mongoose CX Mid Drive Moped Tires

Post by gogo » Nov 17 2014 11:06am

Sweet. I'd love to hear your thoughts about choosing which side to drive and whether you will retain a pedal drive.
"A conclusion is the place where you got tired of thinking." -Steven Wright

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Re: Mongoose CX Mid Drive Moped Tires

Post by evolutiongts » Nov 17 2014 12:38pm

gogo wrote:Sweet. I'd love to hear your thoughts about choosing which side to drive and whether you will retain a pedal drive.
This will be a motorcycle build so foot pegs only.
http://www.electricrt.com
Electric Race Technologies

Schwinn 405 2WD Track Bike 18KW
EDGE 1500W Hub / MXUS 3K Turbo
ASI BAC 2000 / BAC 4000 Bluetooth
viewtopic.php?f=6&t=93079

10Kw KMX death trike
MUXUS 3K Turbo
Sabvoton 72V150A
Moto Wheels all around
Front Suspension Kit
viewtopic.php?f=6&t=83423

Giant Trance 4 Full Suspension
Cyclone 3000W
74V 3000W
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