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PostPosted: Fri Jun 05, 2020 11:12 pm 
Newbie

Joined: Fri Jun 05, 2020 10:58 pm
Posts: 5
Good evening. People recently purchased a bicycle in very poor condition. Because I only wanted an old bicycle that didn't attract much attention, for reasons of danger of being mugged. The model of the court caught my attention because I had never seen a similar model. I decided to research and I was very excited to know that this bike was once a good bike even more compared to the level of bikes that we had available here in Brazil at that time (93 to 95y, I imagine).

But I have a problem defining her exact model, she is green, she has Mongoose Iboc adhesive, the rest is off. The fork is Rock Shox Quadra 21r. I'll post some pictures soon.
Sorry if I didn't describe it very well, I don't speak English. I am using the translator to assist me.


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PostPosted: Fri Jun 05, 2020 11:38 pm 
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Joined: Fri Jun 05, 2020 10:58 pm
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Photos


Attachments:
File comment: Rock Shox Quadra 21r
iboc-5.jpeg
iboc-5.jpeg [ 116.69 KiB | Viewed 278 times ]
File comment: Mongoose iboc?
iboc-4.jpeg
iboc-4.jpeg [ 107.57 KiB | Viewed 278 times ]
File comment: Mongoose iboc?
iboc-3.jpeg
iboc-3.jpeg [ 88.55 KiB | Viewed 278 times ]
File comment: Mongoose iboc?
iboc-2.jpeg
iboc-2.jpeg [ 110.61 KiB | Viewed 278 times ]
File comment: Mongoose iboc?
iboc-1.jpeg
iboc-1.jpeg [ 83.72 KiB | Viewed 278 times ]
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PostPosted: Sun Jun 07, 2020 12:09 am 
Retro Guru
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Joined: Thu Jul 21, 2011 9:14 pm
Posts: 259
Location: Colchester, Essex
I have an early IBOC Sport, 1989/90. Great bike. I have looked at yours and cannot say with certainty, but I think it is a IBOC Zero G Pro from 1994. I think some components have been changed but if you are sure some Shimano component is original you will find a date code on it. Two letters. First letter=year. S is 1994. Second letter=month. A is Jan, B is Feb etc. Both front and rear gear mechanisms will probably be marked on the back. Hope this helps!


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PostPosted: Sun Jun 07, 2020 2:21 pm 
Newbie

Joined: Fri Jun 05, 2020 10:58 pm
Posts: 5
lensmansteve wrote:
I have an early IBOC Sport, 1989/90. Great bike. I have looked at yours and cannot say with certainty, but I think it is a IBOC Zero G Pro from 1994. I think some components have been changed but if you are sure some Shimano component is original you will find a date code on it. Two letters. First letter=year. S is 1994. Second letter=month. A is Jan, B is Feb etc. Both front and rear gear mechanisms will probably be marked on the back. Hope this helps!


Thanks for the tips, I will check the Shimano parts, I know that the gearbox is not original. I consulted some catalogs, but Zero G has a different frame.


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PostPosted: Sun Jun 07, 2020 2:28 pm 
Retro Guru
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Joined: Thu Jul 21, 2011 9:14 pm
Posts: 259
Location: Colchester, Essex
Yes, sorry, that was my best guess. Zero G were Tange Superlite steel or bonded carbon fibre frames perhaps, not aluminium. Sorry can't help you more. Maybe others will see the post and know better.


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 Post subject: Re:
PostPosted: Sun Jun 07, 2020 3:52 pm 
Devout Dirtbag

Joined: Thu Nov 03, 2005 3:02 am
Posts: 141
Location: worcester, mass. usa
Hi Iboc-Brazil. I had a Iboc zero g as well. Seat stays were more traditional, not the “mono stay” you have. Steel frame on mine. Looking through old magazines seem to tell me it’s iboc comp sx, with that seat stay and rounded rear dropout area. Bonded aluminum frame that gives it that smooth carbon look at tube ends. Hope I was helpful and not too confusing. Oh, the year was 1995.


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PostPosted: Sun Jun 07, 2020 4:07 pm 
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Joined: Thu Jul 21, 2011 9:14 pm
Posts: 259
Location: Colchester, Essex
There you are, IBOC-brazil, told you someone would know.


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 Post subject: Re:
PostPosted: Sun Jun 07, 2020 10:22 pm 
Newbie

Joined: Fri Jun 05, 2020 10:58 pm
Posts: 5
You were all very helpful. It was a great help. I really fell in love with this bike. Because it was a pleasant surprise, I bought it for a rubbish price, I didn't expect it to be a bike like that. That would make me want to restore. I just intended to keep it working.

Thank you so much for your help.


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PostPosted: Mon Jun 08, 2020 3:37 pm 
Retro Guru
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Joined: Thu Jul 21, 2011 9:14 pm
Posts: 259
Location: Colchester, Essex
You're very welcome. I know the feeling you describe of buying a cheap bike, and feeling it was made for you.
It is perhaps a magic bike for you!
Happy travelling!


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 Post subject: Re:
PostPosted: Mon Jun 08, 2020 10:40 pm 
Retro Guru

Joined: Thu Sep 01, 2011 5:11 pm
Posts: 1233
Location: Left Coast of Canada
Ha, this is great. My coworker brought over a very similar Mongoose frame for me to remove the BB and headset. As best as I could tell his was a 93 or 94 IBOC Comp. Has the exact same bonded rear seat stays and funky rear drop outs.


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