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Post by aerox1982 on Jul 9, 2007 13:32:58 GMT 8
Is There Any MTB Frame i Can Use For A SS setup w/ a BMX Wheel Set W/o Sagging The Pedals on The Ground.  |
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Post by rench on Jul 9, 2007 14:37:33 GMT 8
i was thinking of this before, because i thought it would be a nice low cost travel bike, something that i can bring onboard a provincial bus or ferry without too much hassle. if you are on a budget, i think your best bet is either to get a large bmx frame and then add long seatpost. i see many bike commuters with this setup. not very good for offroad use because or the risk of breaking the longer seatpost. if you can afford to get a custom made frame, then i think you could copy this frame from burro bikes, but add horizontal dropouts:  check the threads on ave maldea or nelson superbikes on the Shops board for local custom framebuilders. |
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Post by rench on Jul 9, 2007 14:48:56 GMT 8
there isn't a big advantage in size compared to a regular sized mtb. the frame & fork together are the largest parts, so the travel advantage compared to a regular mtb isn't much, unless you can disassemble the frame like an airnimal rhino:  since the burro bike is just a small wheeled mtb (OR adult bmx), and the airnimal is too expensive to buy and complex to have custom built, i just decided to forget the whole idea and just travel with a regular sized MTB. |
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Post by wcoastbo on Jul 10, 2007 5:14:14 GMT 8
Is There Any MTB Frame i Can Use For A SS setup w/ a BMX Wheel Set W/o Sagging The Pedals on The Ground. you just answered your own question as to why this setup won't work well. using 160mm cranks instead of 175mm might help the low clearance. also, BMX hubs have a different width than mtb. you'll have to use some type of spacers or build a 20" wheelset using mtb hubs. don't "squeeze" the frame and fork to make BMX hubs fit or you'll risk damaging them. if you're looking for a travel bike, I think the best option is to use S&S couplings... www.sandsmachine.com/, but you'll need to find a skilled frame builder to install them properly. I read on the web that a Chinese company made some knock-off S&S couplings, but I don't know how to find the company. |
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Post by zalvaje on Jul 10, 2007 5:25:54 GMT 8
Is There Any MTB Frame i Can Use For A SS setup w/ a BMX Wheel Set W/o Sagging The Pedals on The Ground. Yes, Voodoo Shango, 24" Bmx wheel set .. |
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Post by rench on Jul 10, 2007 17:05:49 GMT 8
if you're looking for a travel bike, I think the best option is to use S&S couplings... www.sandsmachine.com/, but you'll need to find a skilled frame builder to install them properly. I read on the web that a Chinese company made some knock-off S&S couplings, but I don't know how to find the company. also note that s&S couplers are not readily available in the phils, and if they were, the cost won't be cheap. you are also limited to steel and ti frames. |
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Post by rench on Jul 10, 2007 17:17:51 GMT 8
Another example of a small-wheeld MTB: (FS, and not SS) Kuwahara GAAP  Spendy frame. |
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Post by rench on Jul 11, 2007 21:43:06 GMT 8
... and yet another 20" Mountain Bike from the interweb: Specialized Hotrock 20"  20" RST fork, 152mm cranks. Dig the pink paint job too. ;D |
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Post by enzo on Jul 11, 2007 23:12:51 GMT 8
Is There Any MTB Frame i Can Use For A SS setup w/ a BMX Wheel Set W/o Sagging The Pedals on The Ground. you just answered your own question as to why this setup won't work well. using 160mm cranks instead of 175mm might help the low clearance. also, BMX hubs have a different width than mtb. you'll have to use some type of spacers or build a 20" wheelset using mtb hubs. don't "squeeze" the frame and fork to make BMX hubs fit or you'll risk damaging them. if you're looking for a travel bike, I think the best option is to use S&S couplings... www.sandsmachine.com/, but you'll need to find a skilled frame builder to install them properly. I read on the web that a Chinese company made some knock-off S&S couplings, but I don't know how to find the company. This isn the best bet. You will use a proper sized bike with proper parts. Custom buid a new Cro-mo frame and youre ready to go. A frame build in the Phils cost only about 4k and the coupling for about 5k i think. Keith Bontrager uses one and he rides it everywhere, even races it. |
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Post by alien_scream on Jul 12, 2007 12:43:13 GMT 8
how about this? ? a BMX with shock!!!!! taken at the batasan race   |
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Post by Alphabolt on Jul 12, 2007 13:00:33 GMT 8
That s Patrick..Boyet 's son (boyet of JohnWilkie group) Yep... for his size:age, probably the best DHer at his level how about this? ? a BMX with shock!!!!! taken at the batasan race |
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