Did someone mention porn films? where.........where?
It is possible that whoever invented the names for bike parts was a bit of a perv.
Rear ends, nipples, nuts, autolube, rims...........The list goes on..
Mind you I went to the Doctors this morning I said to him that I was losing my sex drive. He asked when I first noticed it. I said "Twice last night and three times this morning". He gave me some Viagra cream to rub on using my finger........ It's OK but now I keep going around pointing at people.