Classic and Vintage Bicycles: What's it Worth? Appraisals and Inquiries - Shimano prototype?

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wreichert

07-18-09, 01:17 PM

I have recently come across a Shimano Rx-100 dual pivot brake caliper that has never been mounted. As I was looking it over, There is an engraving on the back that says PROTOTYPE. Any ideas?

High Fist Shin

07-18-09, 03:57 PM

Can we see a picture of it?

wreichert

07-18-09, 04:26 PM

Here are some photos for the brake.