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| Motorized Bicycle General Discussion Topics on bicycle engine kits, help articles, repair and modifications for your motorized bicycles |
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11-05-2009, 06:51 PM
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Motorized Bicycle Elite Member
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Join Date: Jun 2009
Location: california
Posts: 1,073
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Layback Seat Post
Ever try to find a layback seat post in 13/16" for an old Schwinn? All I could find were 7/8" posts and they were too tall. I finally just built a couple. I would call it more of an offset seat post than a layback seat post. This gets the seat way back at the rear tire. I was worried that the flat bar extension piece would bend over time so I gave it a stiffening break. Time to road test it.
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11-05-2009, 07:30 PM
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MB Builder Extraordinaire
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Join Date: Jul 2008
Location: coventry, RI
Posts: 476
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Re: Layback Seat Post
is that a GT40 in the pics? sweet. thanks for showin' her off
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11-06-2009, 12:46 AM
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Motorized Bicycle Elite Member
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Join Date: Jun 2009
Location: San Diego, CA
Posts: 362
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Re: Layback Seat Post
I put a layback post on my stretch cruiser. The post sat too high because of it's support bracket. I just cut the bottom weld of the support and put a rubber end cap on it. The support bracket sits on my frame and allows the post to drop REAL low.
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11-06-2009, 10:13 AM
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Motorized Bicycle Elite Member
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Join Date: Jun 2009
Location: california
Posts: 1,073
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Re: Layback Seat Post
Sweet cruiser, Maxvision. If my attempt starts to bend I may attach struts to the bottom rear of the seat frame and run the struts down to the frame upper chain stays. I was thinking I could use small shaft collars to clamp on the frame then weld the struts to the collars.
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11-06-2009, 10:42 AM
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Motorized Bicycle Member
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Join Date: Sep 2009
Location: sedona Az.
Posts: 29
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Re: Layback Seat Post
Hey can you post some pics of that gt40 I love those cars
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11-06-2009, 11:03 AM
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Super Moderator
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Join Date: Sep 2008
Location: Littleton, Colorado
Posts: 7,566
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Re: Layback Seat Post
I make my own from 1" shaft stock. I turn it down in a lathe to 7/8" one one end about 7" long, heated and bent to the proper angle. It might be a little overkill but I've never bent one.
Tom
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Last edited by 2door; 11-06-2009 at 11:07 AM.
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11-06-2009, 11:33 AM
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Super Moderator
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Join Date: Jul 2009
Location: Maine
Posts: 5,620
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Re: Layback Seat Post
Tom hasa lathe o.o
My envy knows no limit...
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11-06-2009, 11:37 AM
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Super Moderator
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Join Date: May 2008
Location: CT, U.S.
Posts: 7,403
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Re: Layback Seat Post
Awesome idea Sport. Really like that.
I have one of 2Door's. (Thanks again Tom!) They really make for a better ride.
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I want 2 ride my bicycle
Meet Life with a warm smile, a strong back and a clenched fist.
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11-06-2009, 11:51 AM
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a guy who makes cool bikes
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Join Date: Aug 2009
Location: orange county, ca
Posts: 4,667
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Re: Layback Seat Post
i've been making layback seatposts out of recycled handlebars since the my BMX days in the late 70's.
you can get 2 to 4 out of them, depending on what kind of bars and what kind of bend you want.
this one's from some old Wald cruiser bars:
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11-06-2009, 12:20 PM
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Motorized Bicycle Elite Member
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Join Date: Jun 2009
Location: california
Posts: 1,073
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Re: Layback Seat Post
Hey 2door and bairdco, nice seat post ideas and they look pretty strong. 13/16" tube is just a weird size. 7/8" is pretty standard in the BMX world, or at least it used to be.
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