Don't 636's have cassette style transmissions? You should be able to slide the gear stack out from the housing, shift forks and all, swap a taller 6th on and put it all back together in an afternoon, no?

 

The new ones might, I don't think the older ones do. I know my 08 ZX-10 has a cassette style.

 

2 speed rear wheel .

 

Yeah!! Derailer, like on a mtn. bike!!!! Is it possible ?

 

i guarantee if you build it they will sell

 

im not saying a derailer im saying a two speed rear wheel like a planetary gear drive in the hub

 

mmmm i like your style, sounds pricey and very breakable tho

 

i dont think it would be breakable at all but yes probably pricey ..

if done right the wheel could fit alot of different bikes though so you could keep it when ever you changed up bikes

 

sounds like you put alot of thought into this, gonna make it ??

 

i was hoping some on else would ...lol

 

come on omr.......diversify

 

They make em for mountain bikes already!! Called a geared internal hub, you dont see too many of them around, Probably cuz of the price, I think theyre around 500 for a good one. they hold up descent from what I've heard.

As far as making a longer 6th gear, Sounds like a great idea.... I dont know if it would be a big issue but there would be parts in your transmissoin that are going to be spinning waaaaay faster than they're designed to spin so I would worry about bearings and seals going out faster.

So if you can make a 6th gear long enough to go freeway speeds with a 60 tooth sprocket, Could you alter first and second gear to do parking lot tricks with relatively stock gearing?? Also that way your counter shaft would never spin faster than its supposed to which would be less wear and tear on the tranny/motor

 

some one didnt read the rest of the thread ...lol

 

I did I just forgot a few details already, I shoulda emphasized more on the parts spinning really fast issue.

 

no more room to do 1st and 2nd.

and omr thats a great thought. I've never thought about it and I work with planetary gear boxes all the time..LOL

 

well then youre our man , get on it

 

I've thought about doing it in the rear wheel as well, but didn't think they could withstand the force.

 

i've seen the smallest shitiest looking planetary systems in cars and trucks that weigh 4000 pounds , a bike is 400 pounds , i dont think it would be a problem

 

ever really look at how little aluminum is in between each cush drive in your rear wheel ?

i have four sections on my 636 wheel and they are so thin from the factory you wouldnt think they would take all the abuse we give them but they do ....

 

ever see the splines on a car axle ? they are so tiny but thats all thats moving your car ...