5-speed strida
#2
Senior Member
Join Date: Sep 2005
Location: Ohio
Posts: 1,819
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
Interesting. The Strida singlespeed has 56 gear inches. Would you know the gear inch range of the 5 speed? I don't know where there would be a calculator for it. Sheldon's doesn't have one.
https://www.sheldonbrown.com/gears/
I would like to pick up an old Strida, just to tinker with it.
https://www.sheldonbrown.com/gears/
I would like to pick up an old Strida, just to tinker with it.
#3
Member
Join Date: Mar 2007
Posts: 41
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
The wheels look like the 3 design.. I though that they changed that in the 5...
No doubt yours looks cool too !
I saw the same bike on this thread dated december 06
https://strida.kuso.com.tw/modules/ne...#forumpost3767
No doubt yours looks cool too !
I saw the same bike on this thread dated december 06
https://strida.kuso.com.tw/modules/ne...#forumpost3767
Last edited by fireworkz; 04-15-07 at 05:32 PM.
#4
Bromptonaut
Join Date: Feb 2005
Location: Jersey City, NJ
Posts: 1,736
Bikes: 1994 Diamond Back Racing Prevail ti; Miyata 914, Miyata 1000, 2017 Van Nicholas Chinook
Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 23 Post(s)
Likes: 0
Liked 2 Times
in
2 Posts
It's a 5 speed Strida, not a Strida 5.
__________________
Feel free to follow me on Instagram
Feel free to follow me on Instagram
#7
late member
Join Date: Dec 2005
Posts: 202
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
miyata drive
The Miyata bb/hub-gear is really interesting ... I haven't seen this previously.
I found another older Miyata bike on the web in Japan with this same part ... so I guess it was cannibalized for the conversion.
The Miyata 07 catalog shows belt drive, and belt drive to rear hub-gear combos ... but no bb/hub gear. Perhaps this component is discontinued. I hope not.
I like the Strida, but the only way I'd buy is with a 3 speed. Any new info on the Miyata drive would be welcome.
I found another older Miyata bike on the web in Japan with this same part ... so I guess it was cannibalized for the conversion.
The Miyata 07 catalog shows belt drive, and belt drive to rear hub-gear combos ... but no bb/hub gear. Perhaps this component is discontinued. I hope not.
I like the Strida, but the only way I'd buy is with a 3 speed. Any new info on the Miyata drive would be welcome.
#8
Senior Member
Join Date: Feb 2006
Location: Fort Collins, CO
Posts: 1,065
Bikes: Shasta Kiliminjaro, Optima Dragon Recumbent
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
Is that a bike? Pretty cool. I'm sure you'll get some second looks on that.
__________________
Jim
Make a BOLD Statement While Cycling!
Jim
Make a BOLD Statement While Cycling!
#9
Part-time epistemologist
That is pretty wild. Never heard of the five-speed crank drive.
#10
Senior Member
Join Date: Dec 2001
Location: New Jersey
Posts: 7,143
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 261 Post(s)
Likes: 0
Liked 11 Times
in
10 Posts
Interesting. So it can be done.
This without question is the way to go and they should find a way to work with Miyata on this five speed drive. I knew it was going to happen sooner or later. Lets hope they can keep the costs of this new version down because it looks like a 5 speed Strida will probably set you back 1K easily.
This without question is the way to go and they should find a way to work with Miyata on this five speed drive. I knew it was going to happen sooner or later. Lets hope they can keep the costs of this new version down because it looks like a 5 speed Strida will probably set you back 1K easily.
#11
Bromptonaut
Join Date: Feb 2005
Location: Jersey City, NJ
Posts: 1,736
Bikes: 1994 Diamond Back Racing Prevail ti; Miyata 914, Miyata 1000, 2017 Van Nicholas Chinook
Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 23 Post(s)
Likes: 0
Liked 2 Times
in
2 Posts
There are some really interesting mods of stridas out there,just do a search in japanese.
__________________
Feel free to follow me on Instagram
Feel free to follow me on Instagram
#12
Raleigh20 PugFixie, Merc
Loving those grey bullhorns and moulton rack!
__________________
My Raleigh Twenty site | foldr : A flickr pool | #6460, #5632 & #3407 on the fixedgeargallery
My Raleigh Twenty site | foldr : A flickr pool | #6460, #5632 & #3407 on the fixedgeargallery
#13
multimodal commuter
Join Date: Nov 2006
Location: NJ, NYC, LI
Posts: 19,808
Bikes: 1940s Fothergill, 1959 Allegro Special, 1963? Claud Butler Olympic Sprint, Lambert 'Clubman', 1974 Fuji "the Ace", 1976 Holdsworth 650b conversion rando bike, 1983 Trek 720 tourer, 1984 Counterpoint Opus II, 1993 Basso Gap, 2010 Downtube 8h, and...
Mentioned: 584 Post(s)
Tagged: 0 Thread(s)
Quoted: 1908 Post(s)
Liked 574 Times
in
339 Posts
I'd sure be willing to try out that five-speed!
Anyone know any more about that Miyata internally geared crank setup? For some reason I was under the impression Shimano had made such a thing at one time... anyone know anything about that?
The front-freewheel system of the Strida is basically a stock BMX freewheel connecting a proprietary BB spindle to a proprietary plastic chainring. It wouldn't be that hard to attach the same plastic chainring to a different freewheel of the same size. I'm pretty sure you can attach the chainring to an internally geared hub, for example. The problems would be fitting the hub into the BB of the Strida, and fitting crank arms to the axle of the hub. Wouldn't a machine shop be able to make the appropriate parts?
Anyone know any more about that Miyata internally geared crank setup? For some reason I was under the impression Shimano had made such a thing at one time... anyone know anything about that?
The front-freewheel system of the Strida is basically a stock BMX freewheel connecting a proprietary BB spindle to a proprietary plastic chainring. It wouldn't be that hard to attach the same plastic chainring to a different freewheel of the same size. I'm pretty sure you can attach the chainring to an internally geared hub, for example. The problems would be fitting the hub into the BB of the Strida, and fitting crank arms to the axle of the hub. Wouldn't a machine shop be able to make the appropriate parts?
#14
Banned
Thread Starter
Join Date: Oct 2006
Posts: 2,294
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
Originally Posted by rhm
I'd sure be willing to try out that five-speed!
Anyone know any more about that Miyata internally geared crank setup? For some reason I was under the impression Shimano had made such a thing at one time... anyone know anything about that?
The front-freewheel system of the Strida is basically a stock BMX freewheel connecting a proprietary BB spindle to a proprietary plastic chainring. It wouldn't be that hard to attach the same plastic chainring to a different freewheel of the same size. I'm pretty sure you can attach the chainring to an internally geared hub, for example. The problems would be fitting the hub into the BB of the Strida, and fitting crank arms to the axle of the hub. Wouldn't a machine shop be able to make the appropriate parts?
Anyone know any more about that Miyata internally geared crank setup? For some reason I was under the impression Shimano had made such a thing at one time... anyone know anything about that?
The front-freewheel system of the Strida is basically a stock BMX freewheel connecting a proprietary BB spindle to a proprietary plastic chainring. It wouldn't be that hard to attach the same plastic chainring to a different freewheel of the same size. I'm pretty sure you can attach the chainring to an internally geared hub, for example. The problems would be fitting the hub into the BB of the Strida, and fitting crank arms to the axle of the hub. Wouldn't a machine shop be able to make the appropriate parts?
#15
multimodal commuter
Join Date: Nov 2006
Location: NJ, NYC, LI
Posts: 19,808
Bikes: 1940s Fothergill, 1959 Allegro Special, 1963? Claud Butler Olympic Sprint, Lambert 'Clubman', 1974 Fuji "the Ace", 1976 Holdsworth 650b conversion rando bike, 1983 Trek 720 tourer, 1984 Counterpoint Opus II, 1993 Basso Gap, 2010 Downtube 8h, and...
Mentioned: 584 Post(s)
Tagged: 0 Thread(s)
Quoted: 1908 Post(s)
Liked 574 Times
in
339 Posts
Originally Posted by makeinu
Interesting idea, but such a setup might overtorque the hub.
#16
Banned
Thread Starter
Join Date: Oct 2006
Posts: 2,294
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
Originally Posted by rhm
Yeah, that makes sense, at least intuitively. And that may be why Strida freewheels fail once in a while. But on the other hand... the hub is designed as one element of a system that transmits the torque from your legs to the wheel. That's all we'd be doing, albeit at the other end of the chain. So why should there be any difference?
The gear system works at every point along its path. If you connected the wheel to the cranks (as with a unicycle or penny farthering) then you'd have a very low gear. Low gears provide more torque (for hauling that load of groceries up hill, for example). Therefore, relocating a component to the crank end of the chain will result in more torque.
Even the Rohloff requires no less than 2:1 gear ratio from the cranks to the hub. Maybe the Sturmey-Archer 8-speed could take the punishment since it takes an unusually large rear sprocket.
#17
Senior Member
Join Date: Apr 2007
Location: Hong Kong
Posts: 366
Bikes: A-bike, Strida & ,etc.
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 1 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
Here is another forum for Strida talking about this, too.
https://www.stridaforum.com/forum/viewtopic.php?t=20
https://www.stridaforum.com/forum/viewtopic.php?t=20
Last edited by Amuro Lee; 04-19-07 at 03:25 AM.
#18
Senior Member
Join Date: Oct 2005
Location: London
Posts: 637
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
The saddle clamps used on the silver Strida with the Bull-horn bars is a clever fix - it raises the saddle without the need to bring the saddle closer to the bars - which was one of my issues I had with the bike's geometry....
#19
multimodal commuter
Join Date: Nov 2006
Location: NJ, NYC, LI
Posts: 19,808
Bikes: 1940s Fothergill, 1959 Allegro Special, 1963? Claud Butler Olympic Sprint, Lambert 'Clubman', 1974 Fuji "the Ace", 1976 Holdsworth 650b conversion rando bike, 1983 Trek 720 tourer, 1984 Counterpoint Opus II, 1993 Basso Gap, 2010 Downtube 8h, and...
Mentioned: 584 Post(s)
Tagged: 0 Thread(s)
Quoted: 1908 Post(s)
Liked 574 Times
in
339 Posts
Originally Posted by makeinu
Because on a normal bike, every time you turn the (larger) chainring the (smaller) rear sprocket turns many times. More distance (actually rotations) is traded for less force (actually torque)
....
Even the Rohloff requires no less than 2:1 gear ratio from the cranks to the hub. Maybe the Sturmey-Archer 8-speed could take the punishment since it takes an unusually large rear sprocket.
....
Even the Rohloff requires no less than 2:1 gear ratio from the cranks to the hub. Maybe the Sturmey-Archer 8-speed could take the punishment since it takes an unusually large rear sprocket.
#20
lube addict
Join Date: Jan 2008
Location: Central coast California
Posts: 515
Bikes: Specialized FSR-XC, Optima Baron, Bianchi Pista, Strida 5.0
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
Wouldn't a Schlumpf drive be a better solution over the FM-5? I've read something at stridaforum.com that the Schlumpf folks have already contacted the Strida folks on developing such an item.
#21
Senior Member
Join Date: Sep 2005
Location: Cymru (Wales)
Posts: 863
Bikes: GoBike, Long-john, Strida III, Oke Ja recumbent, Brompton, Moulton, BSA, Strida 5
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
Last time this was posted it included a video of him leaving some other riders for dead! It seems it could really shift!
__________________
A to Z of Folding Bikes, Designers, Sellers, Accessories, Forums, Meetings, Publications
My bicycle site
My Microcar & alternate energy vehicle site.
Site for the Rock& Roll Tour Bus that I drive.
Chop! The mad Welshman, lost in the urban jungle somewhere between LLanfairpwllgwyngyllgogerychwrndrobwllllantysiliogogogoch and Vladivostock!
A to Z of Folding Bikes, Designers, Sellers, Accessories, Forums, Meetings, Publications
My bicycle site
My Microcar & alternate energy vehicle site.
Site for the Rock& Roll Tour Bus that I drive.
Chop! The mad Welshman, lost in the urban jungle somewhere between LLanfairpwllgwyngyllgogerychwrndrobwllllantysiliogogogoch and Vladivostock!
#23
multimodal commuter
Join Date: Nov 2006
Location: NJ, NYC, LI
Posts: 19,808
Bikes: 1940s Fothergill, 1959 Allegro Special, 1963? Claud Butler Olympic Sprint, Lambert 'Clubman', 1974 Fuji "the Ace", 1976 Holdsworth 650b conversion rando bike, 1983 Trek 720 tourer, 1984 Counterpoint Opus II, 1993 Basso Gap, 2010 Downtube 8h, and...
Mentioned: 584 Post(s)
Tagged: 0 Thread(s)
Quoted: 1908 Post(s)
Liked 574 Times
in
339 Posts
#25
Senior Member
Join Date: May 2008
Posts: 110
Bikes: Strida 3
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Likes: 0
Liked 0 Times
in
0 Posts
And what about the new "Truvativ Hammer Schmidt" from SRAM?
https://forums.mtbr.com/showthread.php?t=392009
https://forums.mtbr.com/showthread.php?t=392009
Last edited by Carlos71; 07-06-08 at 12:34 PM.