22 inches

[G]

Inner tubes have a lot of stretch and forgiveness, I would guess that in a pinch you can use 20" tubes with no problems.


G.

[Kinchy]

I'm pretty sure I remember people using 18inch tubes in bmx to save weight or something ludicrous

[cmc4130]

i want to get an amero

here's joel's amero.  with good rear triangle design a 22" tire can fit well in a 13.5"cs.....



http://www.ridemonkey.com/forums/f61/my-faction-amero-243420/

here's bean22's Amero compared with the 22" fork on his 20" Standard Trail Boss (custom 22"tt).
http://www.ridemonkey.com/forums/showthread.php?t=237841&p=3756833&viewfull=1#post3756833

[ssteinbr]

thanks cmc

[cmc4130]

speedracer's STANDARD 22" gettin built up! :


from:
http://bmxmuseum.com/forums/viewtopic.php?pid=3399941#p3399941

[ssteinbr]

speedracer's STANDARD 22" gettin built up! :


from:
http://bmxmuseum.com/forums/viewtopic.php?pid=3399941#p3399941

OMG so nice man

[Bunky]

here's joel's amero.  with good rear triangle design a 22" tire can fit well in a 13.5"cs.....

Wow, I feel like 13.75 is too short on my 20 inch, so I run my back end at 14.  I can't imagine what 13.5 would feel like with bigger tires.

[cmc4130]

Wow, I feel like 13.75 is too short on my 20 inch, so I run my back end at 14.  I can't imagine what 13.5 would feel like with bigger tires.

from having different bikes to compare, my impression is that the wheel size matters as to how "quick" the front end pulls up, even if the cs lengths are the same.   like, for example, i have a Liquid Feedback 24"-wheel bike with a 14.25"cs; I also have a 20" with a 14.25"cs (a mid-school Homeless Mack). Despite the cs's being the same, the 20" still pulls up a LOT quicker. if you think about the axle as a pivot point, a smaller diameter wheel will react quicker with other things being equal. on the flipside imagine putting a 16" wheel on your regular 20". even if you put the axle in the same place, the front end will pull up quicker....     so . . . a 22" wheel, but with a shorter cs, will actually balance out.....

[Bunky]

Uhm, actually I think that has more to do with bottom bracket height relative to the axel line.  If you have two bikes with the same length cs and same bb height relative to the axels, then it should pull up the same.

[asilva23]

it's good to have options, right?

[Thepoolman]

i love the way a 24 feels on pumping carving stuff... but no matter how high I go on ramps it feels like im barely out.   A 22 would be awesome I bet.

[Jared Pabis]

I've been reading the 22" discussions for a couple years.  I think they are a great idea and could possibly revive racing as a new class.  Anyone that has ridden a 24 at the trails knows they jump with less effort and offer a smoother ride...but they're a bit goofy.   A 22 would fill the gap and you could use parts from a 20 or 24.

Since most of the people buying 22's will most likely be over the age of 25, we can assume they have a higher income, and can afford to pay $40 for a tire (tire price seems to be the issue here).  I actually go through tires faster on my dirt bike than bmx bike, and they're $100 + .  

As G said, tires are the issue.  It would be smart of all the companies that want to participate in 22 inch bikes, to create a partnership, pool funds, and have tires made as one big group.  Then as numbers increase, they can break off and do their own thing.  Suzuki and Kawasaki teamed up to create a competitive 4 stroke motocross engine, so S&M, Odyssey, and Standard can come together to make an affordable 22 inch tire.

[Bunky]

That would be cool!  I rode one of the first 22 faction bikes a while back, and even though the geometry was a bit off with a slack ass head angle, it was really fun.

[@ss4oLe]

Odyssey needs to call S&M and make a deal. S&M has buying power like you would not believe. All that has been missing in this 22 inch game is someone with the buying power to believe in it.

22's aren't going away anytime soon. I personally would be more than happy if I never pedaled my 20 ever again. big dubs, big(er) wheels. let's roll....

[cmc4130]

Uhm, actually I think that has more to do with bottom bracket height relative to the axel line.  If you have two bikes with the same length cs and same bb height relative to the axels, then it should pull up the same.

you're right that bb height relative axle line does  matter on how quick the front end pulls up. BUT it also matters what wheel diameter. i've experimented with this several times.

see: http://bmxmuseum.com/forums/viewtopic.php?pid=3369360#p3369360

imagine you   put some 16"s on your regular 20" bike, see how it feels. or even,the extreme case, let's say you put a couple of large roller-blade sized wheels in your regular 20" BMX frame in the same dropout spots you normally bolt down the axles.  the bike is going to pull up quicker becuase the pivoting around the tiny roller blade wheel's axle (3" diameter) is going to be very quick. if you were trying to manual on those tiny 3" diameter wheels, you would have to do really quick adjustments.... does that make sense?


btw, bean22"s  faction amero next to a custom 22" top tube STANDARD Trail Boss:


http://bmxmuseum.com/forums/viewtopic.php?pid=3371046#p3371046




:dunno: