Cycling and bicycle discussion forums. 
   Click here to join our community Log in to access your Control Panel  


Go Back   > >

Commuting Bicycle commuting is easier than you think, before you know it, you'll be hooked. Learn the tips, hints, equipment, safety requirements for safely riding your bike to work.

User Tag List

Reply
 
Thread Tools Search this Thread
Old 04-26-09, 08:29 PM   #1
jonojet
Newbie
Thread Starter
 
Join Date: Apr 2009
Bikes:
Posts: 3
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
BMX Commuting - Hub Gears vs Singlespeed

Hi all,

I'm new to bike forums, but definitely not new to bikes

Last year, when I was in Paris, I wanted a commuter setup on the cheap. I was thinking about buying an old racer and converting it into a single speed, but I didn't have the tools

So, I got a flatland BMX with slicks, put on mudguards and lights, and off I went

The thing was incredibly light; 6061 (I think) frame which was ridiculously compact, and it was great training for spinning at high RPMs. I regularly beat people on road bikes, and sometimes even scooters, though scooters were GREAT for drafting behind.

That gave me an idea, however:

putting a 3-speed (or more, perhaps 5 or even 7) rear hub gear onto a BMX, which would have the following benefits:

1. lightweight
2. compact (for taking on the train, etc)
3. gears

Anyone had any experience? I don't need a heavy duty hub, as I wouldn't be doing any real BMX stuff.

thanks in advance

J
jonojet is offline   Reply With Quote
Old 04-26-09, 08:34 PM   #2
adaminlc
Senior Member
 
adaminlc's Avatar
 
Join Date: Nov 2008
Location: Las Cruces, NM
Bikes: 2007 Surly Cross Check, 199? Novara Alpine
Posts: 328
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
No experience, but the only issue I can think of is the spacing on the rear dropout. As long as they can match up I can't see what the problem would be.
adaminlc is offline   Reply With Quote
Old 04-26-09, 08:41 PM   #3
x136 
phony collective progress
 
x136's Avatar
 
Join Date: Sep 2006
Location: San Hoosey
Bikes: http://velospace.org/user/36663
Posts: 2,981
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
So long as the rear end is wide enough to fit a geared hub, I don't see why it wouldn't be possible. What you describe is basically a folding bike, minus the fold. Compact frame, small wheels, etc.

If you use a hub that is direct drive at first gear (Sturmey Archer's 8-speed hubs are like this, at least), you wouldn't even need to put a huge chainring on it.
__________________
x136 is offline   Reply With Quote
Old 04-26-09, 09:12 PM   #4
ian123
Senior Member
 
Join Date: Feb 2009
Bikes:
Posts: 135
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
if you do this you should post us some pics
ian123 is offline   Reply With Quote
Old 04-27-09, 06:54 AM   #5
Lalato
Senior Member
 
Lalato's Avatar
 
Join Date: Sep 2007
Location: Bay Area and Sacramento
Bikes: Bike Friday Tikit
Posts: 1,160
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 1 Post(s)
Sounds like you're essentially making your own version of a mini-velo. These types of bikes are often discussed in the folding bikes section of Bikeforums.net.

Good luck with the conversion...
--sam
Lalato is offline   Reply With Quote
Old 04-27-09, 07:36 AM   #6
Chris_in_Miami
Senior Member
 
Chris_in_Miami's Avatar
 
Join Date: Nov 2007
Bikes:
Posts: 4,517
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Kona made a 24" BMX cruiser with a three speed hub a few years ago, quite a cool bike. It inspired me to add an SA hub to a 24" BMX frame that I have and got as far as checking that it will fit the dropouts (it will...) but I didn't go through with the build because I didn't quite fit the bike.
Chris_in_Miami is offline   Reply With Quote
Old 04-27-09, 08:26 AM   #7
jim-bob
hateful little monkey
 
jim-bob's Avatar
 
Join Date: May 2003
Location: oakland, ca
Bikes:
Posts: 5,274
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by Chris_in_Miami View Post
Kona made a 24" BMX cruiser with a three speed hub a few years ago, quite a cool bike. It inspired me to add an SA hub to a 24" BMX frame that I have and got as far as checking that it will fit the dropouts (it will...) but I didn't go through with the build because I didn't quite fit the bike.
I love my Kona Keiki.
Cantilever brakes and a 3-sp hub with a coaster brake, how can you go wrong?
jim-bob is offline   Reply With Quote
Old 04-27-09, 10:43 AM   #8
RogerB
Senior Member
 
Join Date: Jun 2008
Location: Wichita, KS
Bikes: Raleigh Team (1989 or 90), Bianchi Nyala '93, Bianchi Advantage '93, Indian Princess '51
Posts: 714
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
That's some intimidating seatpost, there.
RogerB is offline   Reply With Quote
Old 04-28-09, 04:05 PM   #9
jim-bob
hateful little monkey
 
jim-bob's Avatar
 
Join Date: May 2003
Location: oakland, ca
Bikes:
Posts: 5,274
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Yeah, that's one of the downsides of liking tiny frames.
jim-bob is offline   Reply With Quote
Old 04-28-09, 11:47 PM   #10
Kimmitt 
Senior Member
 
Kimmitt's Avatar
 
Join Date: Aug 2007
Location: Oceanside, CA
Bikes: Electra Townie 3i with xtracycle, Surly Cross-Check
Posts: 952
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Let us know how it turns out if you decide to go that route; I've got a buddy mulling the same possibility.
Kimmitt is offline   Reply With Quote
Old 04-29-09, 12:46 AM   #11
tatfiend 
Gear Hub fan
 
Join Date: Nov 2008
Location: Reno, NV
Bikes: Civia Hyland Rohloff, Swobo Dixon, Colnago, Univega
Posts: 2,830
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
I have an older Kona 26" cruiser that has what appears to be a BMX style frame that I installed a Sachs 3 speed hub on several years ago. It has worked fine.

Small wheel bike service is actually easier on a gear hub as the primary gearing needs to be higher to give reasonable overall gearing. This decreases the input torque the hub is subjected to.

The Kona model is a Humuhumu-nukunuku-a-pua'a according to the top tube label. From about 1995 or so as I recall.
__________________
Gear Hubs Owned: Rohloff disc brake, SRAM iM9 disc brake, SRAM P5 freewheel, Sachs Torpedo 3 speed freewheel, NuVinci CVT, Shimano Alfine SG S-501, Sturmey Archer S5-2 Alloy. Other: 83 Colnago Super Record, Univega Via De Oro

Visit and join the Yahoo Geared Hub Bikes group for support and links.
http://groups.yahoo.com/group/Geared_hub_bikes/
tatfiend is offline   Reply With Quote
Old 05-25-10, 04:14 AM   #12
jonojet
Newbie
Thread Starter
 
Join Date: Apr 2009
Bikes:
Posts: 3
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Cannondale Hooligan

So... it's been a while since I thought about this project but I discovered that Cannondale made a goofy-looking BMX-style 20" bike with disk brakes and hub gears called the Hooligan...

Looks like they beat me to the concept, but I think I'll still wait around to build my own - rather then spend the $900... plus it'd be more fun
jonojet is offline   Reply With Quote
Old 05-25-10, 07:43 AM   #13
ShinyBiker
Pedaling fool
 
ShinyBiker's Avatar
 
Join Date: Jul 2007
Location: Arlington, VA
Bikes: 07 Schwinn Voyageur GSD, Next Avalon, 2007 Dahon Yeah
Posts: 763
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 2 Post(s)
How light do you want to get? I have a Downtube 8H folding bike that weighs 26.5 lbs stock. You can knock off a few pounds by removing the rack and swapping out the front suspension fork. It comes with a Sturmey archer 8 speed IGH. It's around $400.

http://www.downtube.com/Font_Suspens...ding_Bike.html
ShinyBiker is offline   Reply With Quote
Old 05-25-10, 10:42 AM   #14
tcs
Palmer
 
tcs's Avatar
 
Join Date: Mar 2007
Location: Parts unknown
Bikes:
Posts: 4,692
Mentioned: 2 Post(s)
Tagged: 0 Thread(s)
Quoted: 16 Post(s)
Quote:
Originally Posted by jonojet View Post
So... it's been a while since I thought about this project but I discovered that Cannondale made...
Dahon has been offering the N.A. market their "shark" series of mini-velos for a couple years now.

http://us.dahon.com/bikes/1674/bullhead
http://us.dahon.com/bikes/1680/smooth-hound

tcs
tcs is offline   Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search

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 -6. The time now is 03:48 PM.