Originally Posted by
taras0000
Scotchbrite (the fine china grade, white), some rubbing alcohol, and light scrubbing will take the mold release off of most tires.
Was aware of mold release compound, and I'd scrubbed these down with a rag and alcohol. Never experienced the amount of slipping and sliding I experienced on rollers with these before, and I've ridden Vittoria, Conti, Veloflex, Soyo and Panaracer tubulars on these and whatever brand of clinchers and never had this. It was weird. But whatever, they're fine now!
Edit: I'm wondering if it's more to do with the tread pattern, which is a kind of fine, raised grid pattern??