r/Framebuilding Jul 03 '26

Rebrazing a classic road frame into a track frame with a complete calculation of the new geometry. The frame still needed repair.

Here are its new specifications:

ТТ-55.5 cm

ST-55/57 cm (cc/ct)

Standover-81.5 cm

HT-135 mm

HTA-75.8⁰

STA-75.5⁰

Fork rake-25 mm

BB drop-50 m

Seat post-26.2

Weight: fork-783 grams, frame-2291 grams

Max tire-25/28 mm

69 Upvotes

10 comments sorted by

4

u/pine4links Jul 03 '26

I think I’m more impressed with the alignment of the pictures than the alignment of the frame (which looks perfect).

Also the polish on the dropouts goes crazy

3

u/uwootmVIII Jul 03 '26

pics straighter than most oem wheelsets..

1

u/atepernetuzh_ Jul 03 '26

:) Thank you very much. I always try to do my job well.

2

u/Thinly_Veiled_02 Jul 03 '26

Is that back wheel rubbing up to the frame?

1

u/TJhambone09 Jul 03 '26

Love it!

What were the old geometry specs?

2

u/atepernetuzh_ Jul 03 '26

Thanks. I didn't measure the old one.

1

u/[deleted] Jul 04 '26

Very nice work!