Cup holders? Did you say cup holders? Now you are beginning to sound like a "Wing" owner!!!!! Haha,, just kidding,,, that might not be a bad idea not only for cups,, but for other little things,,, where would you put the cup holder at on the C50???
I have seen some that fit on the handlebars and I have seen a magnetic tank bag. Wife and I ride two up a lot, ....we need a place for our Sonic cups!!! LOL.
I tried one particular brand that mounted to the handlebars, was on a swivel and it was a total pain in the arses. When you put a taller water bottle in it, it turned upside down. Plus it had a foam liner to hold the bottle and it would not come out easily. I ended up throwing the thing away.
Only problem I see with the saddlebag mounted one is if you mount it on the rear of the bag, you won't be able to reach it while riding. If you mount it on the front, it will get pasted with bugs.
I think we finally decided it was worth it just to stop when we were thirsty.
Yup...I just drop a water bottle into my saddle bag and after a mere 100 miles, I gotta stop for gas anyway so I get a sip while I'm at it....and I don't fill up from the high side, wearing a polyester leisure suit.