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 Post subject: Offroad Proflex 752
PostPosted: Wed Sep 20, 2017 11:20 am 
Retro Guru

Joined: Mon Apr 03, 2006 5:11 pm
Posts: 1135
The 1992 dream bike of an 11 year old:

Mag 20s AND a flexstem? Decadence!

The 2017 reality:

This appears to be completely original, and hardly used going by the not worn out rear Smoke tyre, Deore Dx brake levers that are still black and wheel reflectors / spoke protector. It has been used enough to warrant new brake pads at some stage, and has some mild corrosion on bolt heads etc.

You can see the rear MCU elastomer (this looks to have either be a very late 752 supplied with, or been upgraded to, the later type of single piece MCU with purple washers) melted onto the rear tyre.

Now I don't want to settle for rubber bumper type suspension, the reason the industry went to MCU (micro-cellular urethane) was the performance was better - the air bubbles compressed in on themselves and acted as springs. A solid polyurethane bumper of the type supplied by simply deforms, not giving as much travel and with a steeper spring rate curve.

Watch this space.

 Post subject: Re: Offroad Proflex 752
PostPosted: Mon Feb 05, 2018 4:45 pm 
Retro Guru

Joined: Wed Nov 14, 2012 7:04 am
Posts: 389
Interested as I have a 753 and the rear travel isn't much with the polyurethane elastomer...

Funny how the ad has both a suspension fork and stem!

 Post subject: Re: Offroad Proflex 752
PostPosted: Fri Feb 09, 2018 11:14 pm 
Retro Guru
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Joined: Sun Apr 01, 2012 11:55 pm
Posts: 531
Location: Lost, maybe Northants
I'm watching this space, can we see more?

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