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Old 08-28-08, 09:50 AM   #1
cat0020
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To carry my bicycle on a scooter

With the gas price being high, I've been trying to commute with my scooter more.
The 250cc Chinese scooter cost me $1699 shipped to my house.
It gets up 50 60+mph and with all my 150 lb., it gets over 85mpg.
I've been trying to figure out how to carry my bicycle on the scooter so I could cut down on the fuel cost to get to local group rides.
It took a few different designs to figure out, but I think I'm staying with this one.





Pelican case has enough room to hold all the riding gear and plenty more room to spare:



Even a 650c bike can fit.

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Old 08-28-08, 09:55 AM   #2
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Only problem I can see with this design is that all that weight "up high" might
throw you off balance at times.

But I could be wrong........

Oh yes, Most states require a red flag on any overhanging items so you bike will need one at the very rear.
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Originally Posted by krazygluon
Steel: nearly a thousand years of metallurgical development
Aluminum: barely a hundred, which one would you rather have under your butt at 30mph?

Last edited by Nightshade; 08-28-08 at 10:01 AM.
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Old 08-28-08, 10:02 AM   #3
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How is it in the wind? I get blown around enough with just my bike, but it looks like a sail.
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Old 08-28-08, 10:11 AM   #4
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Only problem I can see with this design is that all that weight "up high" might
throw you off balance at times.

But I could be wrong........

Oh yes, Most states require a red flag on any overhanging items so you bike will need one at the very rear.
This setup is not any higher than a SUV or SUV carrying a bicycle on the roof rack, besides, I rather have minimal width to keep my ability to lane split on my scooter.

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How is it in the wind? I get blown around enough with just my bike, but it looks like a sail.
During crosswind condition, the bicycle does effect the handling of the scooter, but it's nothing unusual, just pay attention as you would on any two-wheel vehicle.
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Old 08-28-08, 10:13 AM   #5
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Actually it looks to be a very ingenious design, you should be applauded for your work and efforts to help the environment and save money on gas. Did you buy the scooter through a website?
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Old 08-28-08, 11:33 AM   #6
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consider a folding bike, 20" wheels.

One concern would be the thing becoming a projectile in an accident. If you rear end the car in front of you, your scooter stops, your bicycle keeps going.
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Old 08-28-08, 11:37 AM   #7
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The 250cc Chinese scooter cost me $1699 shipped to my house.
I wish you luck in about 3 months/1000 miles.
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Old 08-28-08, 11:38 AM   #8
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Actually it looks to be a very ingenious design, you should be applauded for your work and efforts to help the environment and save money on gas. Did you buy the scooter through a website?
Thanks, I bought the scooter on eBay... it was delivered to my house two-weeks later.

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consider a folding bike, 20" wheels.
why?? Are there any sub 20 lb. 20" folding bikes that you would ride in a group ride?

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One concern would be the thing becoming a projectile in an accident. If you rear end the car in front of you, your scooter stops, your bicycle keeps going.
Thanks for the concern, but I've ridden two-wheel vehicle enough to avoid front end impact.. never had one neither.. if someone hits me, they better make sure that I'm killed, if I survive.. they will pay.

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I wish you luck in about 3 months/1000 miles.
Actually, I've put over 3500 miles on the scooter since March 26th, 2008... about 70 miles carrying a bicycle.

I've owned over a dozen motorcycles, this scooter is the easiest motorized two-wheeled vehicle I've ever owned.

Last edited by cat0020; 08-28-08 at 11:58 AM.
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Old 08-28-08, 12:01 PM   #9
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all that weight
Compared to the bikes I ride, that is no weight.
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Old 08-28-08, 12:04 PM   #10
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I'd suggest a pulley for the rear dropouts to keep the chain in place. Forget the proper name, but it's ~$10.
Also, check your mounts periodically. My moto bike rack loosened up considerably due to vibration and such. I also use a toe strap for redundancy in wheel mounting. It's helped once.

As to the naysayers, in a wreck, a bolted down bicycle is the least of your concerns.

Good job!
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Old 08-28-08, 12:15 PM   #11
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Yeah, I'm still working on a contraption to carry a recumbent on my scooter.
My Vision R40 is about 26 lb. I don't know if I should use the same carrier design.


I use a toe strap between the seatstays to secure the chain from slapping around.. so far it works pretty well.
I also have reflective velcro pant strap to secure thewheels against the handlebar of the bike, keep them from spinning and add stability.

I used many rubber washers and nylock nuts for the mounting point of the baseboard and Pelican case.

The only bolt that is likely to become loose due to vibration is the U-bolt that holds the padel axle of the bike against the baseboard.

I'm using lock washer and wingnuts since that U-bolt needs to be taken off easily when removing the bike from carrier.

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Old 08-28-08, 01:09 PM   #12
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My advice has nothing to do with height it has everything to do with length.....and overhang.

If anything extends beyond the total length of the vehicle hauling the object it requires a flag on
the object at the rear! Your width ain't got squat to do with overhang in this case.......

Notice how in the top picture your bike hangs several feet over the end of the scooter but
in the last photo a driver can't see that overhang which looks like it's zero overhang.


BE SAFE AND CONSIDERATE! GET A DAMN FLAG ON THAT BIKE!!
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I dislike clipless pedals on any city bike since I feel they are unsafe.

Originally Posted by krazygluon
Steel: nearly a thousand years of metallurgical development
Aluminum: barely a hundred, which one would you rather have under your butt at 30mph?
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Old 08-28-08, 01:25 PM   #13
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It's that why people tie a red bandana on items hanging out of their pickup's bed? or does it have to be a damn flag, as you put it?

Anyhow, I am always considerate.. it's unlikely that a bumper of a car or SUV would be 4 ft. above ground level, but I guess I monster truck would be... if someone hits me from behind, it's not likely that LEO would give me a ticket for not having a danm flag hanging off my bicycle... it's kinda hard to miss a contraption like mine on the road.
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Old 08-28-08, 01:37 PM   #14
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It's that why people tie a red bandana on items hanging out of their pickup's bed? or does it have to be a damn flag, as you put it?

Anyhow, I am always considerate.. it's unlikely that a bumper of a car or SUV would be 4 ft. above ground level, but I guess I monster truck would be... if someone hits me from behind, it's not likely that LEO would give me a ticket for not having a danm flag hanging off my bicycle... it's kinda hard to miss a contraption like mine on the road.
YES, that is why the flag. There is no other way for a driver at the rear of your vehicle to gage
your true total length without it. A 'flag' can be any piece of red or orange cloth long enough
to flap in the breeze to tell the driver that you are longer than you appear to be.

And yes, you will get a ticket without the flag if a LEO sees this set up with no flag. It's the
law in most states for the very reason I stated...saftey.

Other than that your solution is both well thought out and executed. Congratulations!
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I dislike clipless pedals on any city bike since I feel they are unsafe.

Originally Posted by krazygluon
Steel: nearly a thousand years of metallurgical development
Aluminum: barely a hundred, which one would you rather have under your butt at 30mph?
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Old 08-28-08, 04:07 PM   #15
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This setup is not any higher than a SUV or SUV carrying a bicycle on the roof rack, besides, I rather have minimal width to keep my ability to lane split on my scooter.
Yes but an SUV has four wheels and weighs a lot more.

You have some great ideas here but I would be concerned about safety. That is a lot of metal sitting behind your head.
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Old 08-29-08, 08:05 AM   #16
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Yes but an SUV has four wheels and weighs a lot more.

You have some great ideas here but I would be concerned about safety. That is a lot of metal sitting behind your head.
Are you saying that an SUV is safer because it has 4 wheels and more weight? I don't fully understand. My scooter is far more nimble and controlable than an SUV, at least when I operate them. Even when I carry a 140 lb. passenger on the scooter... and the combined weight of my bike and carrier doesn't exceed 40 lb.

Are you concerned about the safety of me? or safety of people around me when I ride my scooter with a bicycle attached? I wear a $500 motorcycle helmet when I ride my scooter, metal from bicycle frame is unlikely to penetrate a motorcycle helmet traveling at scooter speed.

If anything happends while I operate my scooter carrying a bicycle, I'd have more important things to be concern about than a 18 lb. bicycle that I'm carrying.
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Old 08-29-08, 08:12 AM   #17
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Sweet! That is amazing!
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Old 08-29-08, 08:29 AM   #18
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I used fuzzy red dice for my rig, but there is some discussion about it's necessity. Nobody should be that close via voluntary means--ever. That kinda makes the flag moot. And frankly, nobody tailgates you.

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Old 08-29-08, 09:15 AM   #19
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why?? Are there any sub 20 lb. 20" folding bikes that you would ride in a group ride?

Post on the folding board.

Xooter swift claims 22lb on their mass production version. I assume enough $$ will get you carbon and Ti parts that weigh less. Dahon claims to have road bikes.

The more important issue might be stability of a smaller wheeled bike, hitting a pot hole, at high speed, if high speed is what you are doing.

Worth a look: http://www.alexmoulton.co.uk/
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Old 08-29-08, 11:23 AM   #20
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I used fuzzy red dice for my rig, but there is some discussion about it's necessity. Nobody should be that close via voluntary means--ever. That kinda makes the flag moot. And frankly, nobody tailgates you.

But I see you do use a "flag" anyway....right?
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I dislike clipless pedals on any city bike since I feel they are unsafe.

Originally Posted by krazygluon
Steel: nearly a thousand years of metallurgical development
Aluminum: barely a hundred, which one would you rather have under your butt at 30mph?
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Old 08-29-08, 01:11 PM   #21
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looks real nice to me. Good job.
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Old 08-29-08, 01:13 PM   #22
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Nice design!
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Old 08-29-08, 07:53 PM   #23
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And frankly, nobody tailgates you.
LOL! I guess every motorcyclist should ride with a bicycle in the back! None would ever get tailgated!!
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Old 09-03-08, 07:29 AM   #24
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I also tried carrying the bike with rear wheel attached to the frame, it seemed stable enough on the rack, but once ont he road, the weight and leverage of the bike just unweigh the front end of the scooter too much that made handling too sckechy for my comfort:

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Old 09-03-08, 07:53 AM   #25
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That IS a serious concern. I did my weight calculations with a 35# MTB. Due to the cantilever effect you really have to tie the weight to the rear subframe rather aggressively and make certain the last point of support (the fulcrum) is near or behind the balance point of the rig. I had the help of an engineer in those calculations and the numbers were eye popping. Not something to screw around with. I'd bet you have 40-50 lbs of downforce at the very end of your scooter's tail as depicted.
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