Planet Minis

MAZZ77X · 06-18-2009, 06:08 PM

They look very similar and I was wondering if they are the same basic frame?
I may be looking to build my son a proper sized 10" road race bike over the winter and they look to be a great starting point.
I will probably start with a Chinese ZB clone (ST90) for the better brakes, 4 speed, and all new parts platform. I will of course be swapping out a lot of the components.

What do you think about an ST90 race bike with a 114 Chinese stroker?

tmas · 06-18-2009, 06:31 PM

The frames are different.
tmas

MAZZ77X · 06-18-2009, 06:43 PM

Quote:

Originally Posted by tmas

The frames are different.
tmas

Are they the same in any way? I know the obvious (engine mount) but the rest looks strikingly similar. Aside from the suspension and rearsets.

tmas · 06-18-2009, 06:48 PM

Read this old thread.
tmas

http://www.planetminis.com/f28/nsr50...ame-34458.html

MAZZ77X · 06-18-2009, 07:02 PM

That was a good thread but it only points out the obvious (engine and suspension mounts) when comparing the two. I want to know if the frame geometry is the same design as the NSR.
I want to build my son a 10" road race bike and a ZB clone (Skyteam ST90) looks like a good starting point. I also like the horizontal 4 stroke power plat as well.
I have an NSR now but he is still to small to race it safely and the ZB/ST style bikes look very appealing, with a little work of course.

Strip it down and add some clip on's, Sava's, and swap out the engine for a Honda 88 with race head and were in buisness

Thanks for the info though

Pierce · 06-20-2009, 02:39 AM

If an NSR is too big for your kid then a ZB will be huge, even with the 10 inch wheels. If you want something for him to run get a crf50 and put some low bars on it so he would ride it street bike style. Reform the seat or put a low seat on it and it will make a great little road racer.

supernes550 · 06-20-2009, 09:39 AM

the zb looks smaller in photos. almost looks the size of a z50.
but they're really the same size as the nsr like dan said.

gstegman · 06-20-2009, 10:52 AM

Quote:

Originally Posted by MAZZ77X

That was a good thread but it only points out the obvious (engine and suspension mounts) when comparing the two.

...and steering stops, rake angle, sub-frame, tank mount, kick stand bracket but I'm sure this was obviously obvious to you.

nielspbr · 06-20-2009, 11:23 AM

Quote:

Originally Posted by supernes550

the zb looks smaller in photos. almost looks the size of a z50.
but they're really the same size as the nsr like dan said.

I have 600mm front forks (normal length 540mm), a +16cm swingarm with longer shocks and 10" rims on my Z and now it is the same size as my st90(zb clone).

(and now with 12" rims it is taller and longer than the st90

)

edit: As supeness said, the ZB or st90 is taller, wider and heavier as the Z

06-18-2009, 06:08 PM	#1 (permalink)
MAZZ77X 3rd Gear Member Join Date: Oct 2006 Location: Right down the road from NJMP Posts: 2,363 My Mood:	Is the ZB and NSR frame the same? They look very similar and I was wondering if they are the same basic frame? I may be looking to build my son a proper sized 10" road race bike over the winter and they look to be a great starting point. I will probably start with a Chinese ZB clone (ST90) for the better brakes, 4 speed, and all new parts platform. I will of course be swapping out a lot of the components. What do you think about an ST90 race bike with a 114 Chinese stroker?

06-18-2009, 06:31 PM	#2 (permalink)
tmas ZB50 Jedi Join Date: Apr 2005 Location: Toronto Posts: 4,107	Re: Is the ZB and NSR frame the same? The frames are different. tmas

06-18-2009, 06:48 PM	#4 (permalink)
tmas ZB50 Jedi Join Date: Apr 2005 Location: Toronto Posts: 4,107	Re: Is the ZB and NSR frame the same? Read this old thread. tmas http://www.planetminis.com/f28/nsr50...ame-34458.html

06-18-2009, 07:02 PM	#5 (permalink)
MAZZ77X 3rd Gear Member Join Date: Oct 2006 Location: Right down the road from NJMP Posts: 2,363 My Mood:	Re: Is the ZB and NSR frame the same? That was a good thread but it only points out the obvious (engine and suspension mounts) when comparing the two. I want to know if the frame geometry is the same design as the NSR. I want to build my son a 10" road race bike and a ZB clone (Skyteam ST90) looks like a good starting point. I also like the horizontal 4 stroke power plat as well. I have an NSR now but he is still to small to race it safely and the ZB/ST style bikes look very appealing, with a little work of course. Strip it down and add some clip on's, Sava's, and swap out the engine for a Honda 88 with race head and were in buisness Thanks for the info though Last edited by MAZZ77X; 06-18-2009 at 07:06 PM.

06-20-2009, 02:39 AM	#6 (permalink)
Pierce 2nd Gear Member Join Date: Feb 2006 Location: Evanston Il Posts: 728 My Mood:	Re: Is the ZB and NSR frame the same? If an NSR is too big for your kid then a ZB will be huge, even with the 10 inch wheels. If you want something for him to run get a crf50 and put some low bars on it so he would ride it street bike style. Reform the seat or put a low seat on it and it will make a great little road racer.

06-20-2009, 09:39 AM	#7 (permalink)
supernes550 The Golden Ticket Join Date: May 2006 Location: 5outh 5an 0iego Posts: 3,616 My Mood:	Re: Is the ZB and NSR frame the same? the zb looks smaller in photos. almost looks the size of a z50. but they're really the same size as the nsr like dan said.

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