Chuck Schmidt wrote:
"I saw Indurain's bike at the '95 TdF (his 5th victory) and he had tied and soldered spokes"
Yup, so too Bernard Hinault ten years earlier.
Also, though normally equipped with sew-ups, Indurain would sometimes ride clincher tires and rims in the high mountains. Sew-up rims on the descents usually meant tire rolling problems due to hot glue, especially for the bigger riders.
Santa Cruz, CA