For the longest time I fitted 23mm to the front and 25mm on the back. The other day, well more like a month ago, I replaced the shredded 32s on my Jamaica Bianchi with all I could get - 38s. Wow, I am impressed but the 38s just made it, with little room to spare between the chain stays...

Phil's grease for me....and a tub of red devil for BB threads and the like

I am running 28's, they work for what I ride and are max for the derosa I think I can mount bigger on the Miyata....but will wait until I do the Cino Heroica........ and have to wear out the tires on the nishiki before I play with anything new

I don't care much either way with grease. They're all OK for me.

Wider tires are better for me. I use the widest tires I can fit. The narrowest tires any of my bikes has is 28mm. If you can fit those (or wider), try them. But be sure they are good tires or better.

I've been using white lithium grease for ever. Don't know why, maybe that's what the local hardware store has in small tubes . I guess, if your not spinning at 10K rpm, does it really matter ? I ride in drive conditions.

I've move from 21's in the early 90's to 23's . Now, all bike are getting 25's, with exception of one that came with 28's, my fav endurance bike. KB.

I associate white lithium grease with hardened white junk i have had to deal with when over hauling old bikes ......maybe this association is not correct......but it is there for me

Try it the other way around, the wider, hopefully more supple tire on front; that's where it really makes a difference in ride comfort, handling, etc. I know, not intuitive as the rear wheel is much closer to your ass, but try it...or not!

Tom i tried 25's on my fuji touring bike that came equipped with 32's, hoping for a livelier or faster ride. didn't happen, but at least now i know. when they wear out, the 32's go back on or whatever i can grab.

grease? i use synthetic normally or whatever is laying around. the kind probably not toooo important, but using it is very important. kinda like oiling the chain, just find some oil and throw it on there. let it sit over night and wipe it off.

Grease on heavily loaded bearings (which on a bike are the axles, bottom bracket, pedals, and bottom headset) should be judged not by how freely or long they spin with no load, but on the relative friction under normal riding loads, and in addition how well it prevents actual metal to metal contact and therefore wear.
Secondary considerations are how well it adheres to the surfaces, so that it can continue to do its job where it is needed rather being squeezed to the sidelines, and of course longevity, i.e. the ability to maintain its desirable properties over time and with environmental exposure.
Admittedly, these are not easy criteria to check, but are what really matter.

At some point I started using Mobil1 synthetic grease. Good, bad, indifferent? Can't say for sure, but it works well enough for me and I believe it meets [MENTION=184345]old's'cool[/MENTION]'s very sensible criteria above. The odd pink color is a bonus. Or a freakish travesty. You decide.

These days some labeled 25s ARE 28s. I like Continental GP 4000 II S tires and the 23s are really 25 and the 25s are nearly 28s.

Yeah, I cringed when I read the title. I make all kinds of rude jokes with my friends sometimes, but putting it in writing online is pretty iffy.

edit: note the title has been changed and previously included a word considered a slur.

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Phil's and Bullseye. I still have my Bullshot grease from the 80s and it still seems new. Still red. Still rad.

Fat tires are the bomb. I remember having 18mm Michelins BITD. Never going back.

BTW, that image is one I found doing a quick image search. I had to look very carefully, because it looks so much like it would be my own, right down to the stickers on the tool box.

michelin pro4 25 are as fat as other 28's i have used

I think it's a plot to have us all using mountain bike tires on our road bikes The same way some 32" waist jeans aren't 32" anymore; they're like 33" sometimes 33 1/2" now. I really don't understand that.

I just put 650b wheels on my Lemond. I don't have pictures yet. It's a tight-wheelbase road racing bike, with a titanium frame. The Pari Moto tires are 38mm wide. I don't know what pressures I like yet. Today I rode it with 30 psi in front and 40 in the rear. I think I can go down a bit in the rear, and I might want to go up in front. Fat tires are nice, especially when they're lightweight.

How many times have I told you to stop hanging out with those old cyclists?

I don't know. I knew this girl......

Re; Grease.
I've used Lubriplate 130 forever.
It was developed during WWII to lubricate the M1 Garand.
Lithium based and NLGI grade 2.5 meaning a little less viscous than most general purpose automotive greases.
It's rated for a max temp of 170 F but maintains it's consistency at low temps (don't want a frozen rifle jamming) which is ideal for bikes.
Use very sparingly, it seems to have better surface adhesion than a lot of other greases I've used.

Oh, and yeah, 28's on everything but the commuter which only handles 25's with the requisite mudguards.