Hear yew awl rrrrr...

Ciocc - Key-Otch.
3Rensho - San-wren-show.
Guerciotti - Goo-air-chi-ought-eee.
Bottecchia - Bow-tee-chee-aaa.
d'croche - da-crotch-et.

Want sum moar?

Campagnolo - cramp-an-go-slo.
Pinarello - pin-to-be-an-ar-ello.
Merckx - mare-chex.
Motobecane - Mo-to-pe-con.
Bolacielli - bowl-a-chili.

Bicycle - by-sickle.