Technical & Reference Section > Tech and Restoration

Name the frame.

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YGT:
to tell you the truth,
I dont really like holes in the seattube as generally they are placed after the tubes have been welded and then the holes are cut afterwards to help keep the frame aligned.
BUT the only direction that the holes can be milled are from the side which causes a high amount of stress which can cause the frame to twist of flex.

it would actually be allot better to mill the backside of the post instead as it would create a much stiffer connection to the bb (compared to the above)
Unfortuantly it is not presently possible since the rear triangle gets in the way.

Anyway back to the topic, I found a frame called the pro-star which featured holes in the seatube that was made a loooong time ago and was available for public retail.
I mostly need to find frames with holes in the seattube that show it has been done before aswell as being retailed.

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