From Motorcycle Cruiser Magazine:
"I'll admit to believing that sportbikes, with their lighter weights and stickier tires, would devastate a cruiser in a braking contest. But that belief didn't stand up to actual science. It turns out that
measured stops with expert riders from 100 km/h (just over 60 mph) required an average of
just 7 inches more on a Honda GL1500 Valkyrie than on Honda CBR929RR. Of course, that assumes you use proper technique. Proper technique involves using both brakes quickly and effectively."
The article goes on to report that using both brakes together is more effective than using only front or rear brake, and that a bike with ABS can stop consistently shorter.
Link to article:
http://www.motorcyclecruiser.com/streetsurvival/0608_crup_effective_braking/index.htmlLink to article from La Fondation Promocycle of Quebec, which produced the data that Motorcycle Cruiser is reporting:
http://www.promocycle.com/documentations/etudes-fr/amorfrein_f.pdf