Motorized Bicycle: Engine Kit Forum  

Sponsors



Go Back   Motorized Bicycle: Engine Kit Forum > Motorized Bicycle > Motorized Bicycle General Discussion

Motorized Bicycle General Discussion Topics on bicycle engine kits, help articles, repair and modifications for your motorized bicycles

Reply
 
Thread Tools Display Modes
  #1  
Old 11-05-2009, 06:51 PM
sportscarpat's Avatar
sportscarpat sportscarpat is offline
Motorized Bicycle Elite Member
 
Join Date: Jun 2009
Location: california
Posts: 1,073
Default 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.
Attached Thumbnails
Click image for larger version

Name:	SEAT POST 1.JPG
Views:	242
Size:	702.7 KB
ID:	15472   Click image for larger version

Name:	SEAT POST 2.JPG
Views:	283
Size:	793.9 KB
ID:	15473  
Reply With Quote
Sponsored Links
  #2  
Old 11-05-2009, 07:30 PM
Spunout's Avatar
Spunout Spunout is offline
MB Builder Extraordinaire
 
Join Date: Jul 2008
Location: coventry, RI
Posts: 476
Default Re: Layback Seat Post

is that a GT40 in the pics? sweet. thanks for showin' her off
__________________
Quote:
Originally Posted by Dan View Post
sn0rk.
Quote:
Originally Posted by Bikeguy Joe View Post
You are one sick man spun, I like that quality in a person.
Reply With Quote
  #3  
Old 11-06-2009, 12:46 AM
Maxvision's Avatar
Maxvision Maxvision is offline
Motorized Bicycle Elite Member
 
Join Date: Jun 2009
Location: San Diego, CA
Posts: 362
Default 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.

Click image for larger version

Name:	craigslist.jpg
Views:	512
Size:	78.5 KB
ID:	15499
Reply With Quote
  #4  
Old 11-06-2009, 10:13 AM
sportscarpat's Avatar
sportscarpat sportscarpat is offline
Motorized Bicycle Elite Member
 
Join Date: Jun 2009
Location: california
Posts: 1,073
Default 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.
Reply With Quote
  #5  
Old 11-06-2009, 10:42 AM
aquarianmonkey's Avatar
aquarianmonkey aquarianmonkey is offline
Motorized Bicycle Member
 
Join Date: Sep 2009
Location: sedona Az.
Posts: 29
Default Re: Layback Seat Post

Hey can you post some pics of that gt40 I love those cars
Reply With Quote
  #6  
Old 11-06-2009, 11:03 AM
2door's Avatar
2door 2door is offline
Super Moderator
 
Join Date: Sep 2008
Location: Littleton, Colorado
Posts: 7,566
Default 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
Attached Thumbnails
Click image for larger version

Name:	Jag Finished, 9.JPG
Views:	262
Size:	485.8 KB
ID:	15510  
__________________
Age and Treachery Will Always Triumph
Over Youth and Skill & "Charlie Don't Ride"

Last edited by 2door; 11-06-2009 at 11:07 AM.
Reply With Quote
  #7  
Old 11-06-2009, 11:33 AM
BarelyAWake's Avatar
BarelyAWake BarelyAWake is offline
Super Moderator
 
Join Date: Jul 2009
Location: Maine
Posts: 5,620
Default Re: Layback Seat Post

Tom hasa lathe o.o

My envy knows no limit...
Reply With Quote
  #8  
Old 11-06-2009, 11:37 AM
Dan's Avatar
Dan Dan is offline
Super Moderator
 
Join Date: May 2008
Location: CT, U.S.
Posts: 7,403
Default 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.
Attached Thumbnails
Click image for larger version

Name:	bike Honda.jpg
Views:	230
Size:	130.4 KB
ID:	15515   Click image for larger version

Name:	bike Honda1.jpg
Views:	220
Size:	66.9 KB
ID:	15516  
__________________
=============================


I want 2 ride my bicycle

Meet Life with a warm smile, a strong back and a clenched fist.
Reply With Quote
  #9  
Old 11-06-2009, 11:51 AM
bairdco's Avatar
bairdco bairdco is offline
a guy who makes cool bikes
 
Join Date: Aug 2009
Location: orange county, ca
Posts: 4,667
Default 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:
Attached Thumbnails
Click image for larger version

Name:	seatpost.jpg
Views:	391
Size:	291.0 KB
ID:	15517  
Reply With Quote
  #10  
Old 11-06-2009, 12:20 PM
sportscarpat's Avatar
sportscarpat sportscarpat is offline
Motorized Bicycle Elite Member
 
Join Date: Jun 2009
Location: california
Posts: 1,073
Default 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.
Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off



All times are GMT -5. The time now is 05:28 AM.


Sponsors

Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2012, vBulletin Solutions, Inc.
Motorized Bicycle Engine Kit Forum