Ho Lee Carp!
Did anyone else see the Giant ad in Bike? It has all kinds of numbers about why 275 is the radness. Overstatement of course, but still...
275 is 5% heavier than 26. 29 is 12% heavier.
Angle of attack
275 is 4 deg better than 26. 29 is 6 deg better. (Better should be in air quotes).
275 is 1.5% slower than 26. 29 is 3.6% slower.
275 has 8cm contact patch vs 6cm for 26 and 9cm for 29.
275 is 2% higher than 26. 29 is 5% higher.
HT 275 is 2% greater than 26. 29 is 6% greater.
BB 275 is 2% greater than 26. 29 is 5% greater.
So, there you have it! Giant's numbers indicate that it is minimal bad for maximum good. An interesting and very German way to go about convincing people, but also very big-brained of them.
At the very least, it is interesting to have something more than feel to talk about. And the 20th anniversary Bike issue is very worthwhile. Great issue.
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Thread: Giant 275 ad in Bike Mag