700c / 29" wheel Adult tricycle UNICORN??!!
#1
Newbie
Thread Starter
Join Date: May 2017
Posts: 1
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 1 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
700c / 29" wheel Adult tricycle UNICORN??!!
Is there such a thing as a 700c / 29" wheel three wheeled (non recumbent) bike for adults?
#2
Senior Member
Join Date: Jun 2013
Location: Bozeman
Posts: 4,094
Bikes: 199? Landshark Roadshark, 198? Mondonico Diamond, 1987 Panasonic DX-5000, 1987 Bianchi Limited, Univega... Chrome..., 1989 Schwinn Woodlands, Motobecane USA Record, Raleigh Tokul 2
Mentioned: 25 Post(s)
Tagged: 0 Thread(s)
Quoted: 1131 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
That would make no sense. Trikes that aren't recumbents are generally made for transporting things, so they're made with stronger 26" wheels. I highly doubt you'll find an upright, non recumbent trike with 700c wheels.
#3
Senior Member
Join Date: Feb 2005
Posts: 388
Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 52 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
#4
Senior Member
Join Date: Jan 2009
Location: Colorado Springs, CO
Posts: 5,972
Bikes: 2015 Charge Plug, 2007 Dahon Boardwalk, 1997 Nishiki Blazer, 1984 Nishiki International, 2006 Felt F65, 1989 Dahon Getaway V
Mentioned: 54 Post(s)
Tagged: 0 Thread(s)
Quoted: 1364 Post(s)
Liked 1,677 Times
in
827 Posts
Google "British Racing Tricycles"
#5
rebmeM roineS
Join Date: Jan 2006
Location: Metro Indy, IN
Posts: 16,216
Bikes: Bacchetta Giro A20, RANS V-Rex, RANS Screamer
Mentioned: 15 Post(s)
Tagged: 0 Thread(s)
Quoted: 653 Post(s)
Liked 347 Times
in
226 Posts
No such thing as a three wheeled bike. Or a two wheeled trike.
Not aware of 700c wheeled traditional trikes. Other than previously mentioned British racing trikes. Which are not traditional in US.
Not aware of 700c wheeled traditional trikes. Other than previously mentioned British racing trikes. Which are not traditional in US.
__________________
Bacchetta Giro A20, RANS V-Rex, RANS Screamer
Bacchetta Giro A20, RANS V-Rex, RANS Screamer
Last edited by JanMM; 05-29-17 at 09:30 PM.
#6
Senior Member
Join Date: Feb 2004
Location: St Peters, Missouri
Posts: 30,225
Bikes: Catrike 559 I own some others but they don't get ridden very much.
Mentioned: 16 Post(s)
Tagged: 0 Thread(s)
Quoted: 1572 Post(s)
Liked 643 Times
in
364 Posts
Well - maybe there is.
Just for fun I googled the legal definition of a bicycle in Missouri law. Turns out my Catrike is a bike.
Just for fun I googled the legal definition of a bicycle in Missouri law. Turns out my Catrike is a bike.
__________________
My greatest fear is all of my kids standing around my coffin and talking about "how sensible" dad was.
My greatest fear is all of my kids standing around my coffin and talking about "how sensible" dad was.
#7
Senior Member
Join Date: Jan 2010
Posts: 39,232
Mentioned: 211 Post(s)
Tagged: 1 Thread(s)
Quoted: 18409 Post(s)
Liked 15,525 Times
in
7,325 Posts
#8
Senior Member
Join Date: Jun 2013
Location: Bozeman
Posts: 4,094
Bikes: 199? Landshark Roadshark, 198? Mondonico Diamond, 1987 Panasonic DX-5000, 1987 Bianchi Limited, Univega... Chrome..., 1989 Schwinn Woodlands, Motobecane USA Record, Raleigh Tokul 2
Mentioned: 25 Post(s)
Tagged: 0 Thread(s)
Quoted: 1131 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
Having actually ridden a motorized trike at one point in my life, there is no way in hell I'd ever want to ride a trike that's as high up as 700c wheels would put it. A recumbent? Sure... sitting on top of 3 700c wheels? No way.
Recipe for disaster as soon as you hit just about any turn.
Recipe for disaster as soon as you hit just about any turn.
#10
Senior Member
#11
rebmeM roineS
Join Date: Jan 2006
Location: Metro Indy, IN
Posts: 16,216
Bikes: Bacchetta Giro A20, RANS V-Rex, RANS Screamer
Mentioned: 15 Post(s)
Tagged: 0 Thread(s)
Quoted: 653 Post(s)
Liked 347 Times
in
226 Posts
Should have added 'except in make-believe world of traffic laws'. And I understand why the laws are written like that.
__________________
Bacchetta Giro A20, RANS V-Rex, RANS Screamer
Bacchetta Giro A20, RANS V-Rex, RANS Screamer
#12
Banned
Well Get a Regular old folks trike, change the fork & all 3 wheels from say 26 to 29 , and "bobs your uncle"..
#13
cowboy, steel horse, etc
Join Date: Sep 2008
Location: The hot spot.
Posts: 44,828
Bikes: everywhere
Mentioned: 71 Post(s)
Tagged: 1 Thread(s)
Quoted: 12762 Post(s)
Liked 7,675 Times
in
4,072 Posts
It wouldn't be impossible to make a 29er Trike.
Replace fork and front wheel with 29er fork and front wheel of your choice.
Get a pair of 29er rims with same spoke count of the rears, get spokes of proper length (if ERD is different).
Rebuild rear wheels.
Remove rear fenders if needed (pretty likely if you're running knobby 29er tires)
Replace fork and front wheel with 29er fork and front wheel of your choice.
Get a pair of 29er rims with same spoke count of the rears, get spokes of proper length (if ERD is different).
Rebuild rear wheels.
Remove rear fenders if needed (pretty likely if you're running knobby 29er tires)
#14
cowboy, steel horse, etc
Join Date: Sep 2008
Location: The hot spot.
Posts: 44,828
Bikes: everywhere
Mentioned: 71 Post(s)
Tagged: 1 Thread(s)
Quoted: 12762 Post(s)
Liked 7,675 Times
in
4,072 Posts
Ooops, fiets beat me too it. I shoulda refreshed after reading thread and before posting
If running road or CX tires it would be even easier. No new fork needed, just get long reach caliper brake on the fork, and a brake lever with matching pull for the caliper. You could probably leave the rear fenders on too. New front wheel and rebuild of the rears still necessary, of course.
This is the kinda thing I was thinking about starting with:
If running road or CX tires it would be even easier. No new fork needed, just get long reach caliper brake on the fork, and a brake lever with matching pull for the caliper. You could probably leave the rear fenders on too. New front wheel and rebuild of the rears still necessary, of course.
This is the kinda thing I was thinking about starting with:
#15
Calamari Marionette Ph.D
#18
Disco Infiltrator
Join Date: May 2013
Location: Folsom CA
Posts: 13,446
Bikes: Stormchaser, Paramount, Tilt, Samba tandem
Mentioned: 72 Post(s)
Tagged: 0 Thread(s)
Quoted: 3126 Post(s)
Liked 2,105 Times
in
1,369 Posts
Aren't most trikes 24 front with 20 rear?
__________________
Genesis 49:16-17
Genesis 49:16-17
#19
Senior Member
Join Date: Feb 2006
Location: Sin City, Nevada
Posts: 2,885
Bikes: Catrike 700, Greenspeed GTO trike, , Linear LWB recumbent, Haluzak Horizon SWB recumbent, Balance 450 MTB, Cannondale SM800 Beast of the East
Mentioned: 19 Post(s)
Tagged: 0 Thread(s)
Quoted: 523 Post(s)
Likes: 0
Liked 228 Times
in
180 Posts
Wheel size - Granny trike or recumbent trike? Most recumbent trikes came with 20" front and rear until a few years ago when manufacturers started introducing larger rear wheels to increase the upper end on the gear range. The one I currently ride has a 700C rear and 20" front wheels. Has the gear range of a regular road bike.
I'd agree with the caution that having three 700C wheels and a high seating trike like most granny trikes makes for horrible handling unless the wheels are set far apart.
I'd agree with the caution that having three 700C wheels and a high seating trike like most granny trikes makes for horrible handling unless the wheels are set far apart.
#20
rebmeM roineS
Join Date: Jan 2006
Location: Metro Indy, IN
Posts: 16,216
Bikes: Bacchetta Giro A20, RANS V-Rex, RANS Screamer
Mentioned: 15 Post(s)
Tagged: 0 Thread(s)
Quoted: 653 Post(s)
Liked 347 Times
in
226 Posts
We have no idea why mandudoguyo wants to know if large wheeled traditional trikes exist.
__________________
Bacchetta Giro A20, RANS V-Rex, RANS Screamer
Bacchetta Giro A20, RANS V-Rex, RANS Screamer
#21
Full Member
Having actually ridden a motorized trike at one point in my life, there is no way in hell I'd ever want to ride a trike that's as high up as 700c wheels would put it. A recumbent? Sure... sitting on top of 3 700c wheels? No way.
Recipe for disaster as soon as you hit just about any turn.
Recipe for disaster as soon as you hit just about any turn.
I have to tell you, you are very, very wrong.
700c trikes are alive and kicking at Longstaff Cycles in Chesterton, Staffs in the UK and have been built for racing, touring, load carrying and any number of other uses, for both able bodied and disabled riders.
They have been built and ridden for many years all over the world, although they are probably widely felt to be a slight eccentricity on the part of the (predominantly) British builders.
If you try and ride a trike like a bike, regardless of wheel size, it's all going to go very wrong. If you ride a trike like a trike, you'll be fine. Different skill set.
Actually, a trike on bigger wheels is more stable not less so, as the CoG of the rider / bike system is not significantly different to a small-wheeled trike (although it is higher, of course, than a recumbent trike) but it is lower, relative to the wheel centres, which is what matters in terms of the stability.
Correct geometry and materials use make a trike perfectly rideable on pretty much any size of wheel, so long as the rider knows how to ride a trike - and pretty much unrideable, if they insist on treating it like a bicycle ...
#22
Proud hobo biker
Join Date: Nov 2014
Location: Schertz - New Braunfels area
Posts: 804
Bikes: 2019 Surly Ogre, 2016 Giant Anyroad 2, Lightspeed Roadrunner trike, SE Tripel (in process)
Mentioned: 3 Post(s)
Tagged: 0 Thread(s)
Quoted: 202 Post(s)
Likes: 0
Liked 2 Times
in
2 Posts
but good luck finding one...
They look like fun but never seen one IRL.
#24
Senior Member
Join Date: Dec 2017
Location: A2, MI
Posts: 132
Bikes: hopefully a Sun Traditional Trike
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 50 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
The one I am getting has 24" wheels. I'd love bigger wheels, but when I used to do a bike instead of a trike I had to get a specialized frame to make it work due to my short stature, not as easy with a trike.. I'll be at the lowest seat setting of the 24" trike as it's manufactured (I rode a rental for a week).
#25
Full Member
The one I am getting has 24" wheels. I'd love bigger wheels, but when I used to do a bike instead of a trike I had to get a specialized frame to make it work due to my short stature, not as easy with a trike.. I'll be at the lowest seat setting of the 24" trike as it's manufactured (I rode a rental for a week).
Because BB height in a trike can be whatever you need it to be, and front wheel / foot overlap is not a massive problem, almost any length of seat tube / reach to the handlebars can be accommodated. It's better if front wheel overlap can be avoided, of course ... but not the close-to-necessity it is on a bicycle.
At Longstaff, we / they have built trikes with full-sized wheels with incredibly low BB step-over heights / saddle heights for riders with specific disability - it's not a low-cost thing to do - but nor is it the close-to impossibility it is on a bicycle.
As mentioned above, you kind of have to forget bicycles in trike-world. It's a bit of an adjustment to make!