I found this on the wikipedia entry for CBR1000RR
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A longer swingarm acted as a longer lever arm in the rear suspension for superior traction under acceleration and more progressive suspension action. Substantially longer than the corresponding unit on the CBR954RR (585 mm (23 in) compared to 551 mm (21.7 in)) the CBR1000RR's 34 mm (1.3 in) longer swingarm made up 41.6 percent of its total wheelbase. The CBR1000RR's wheelbase also increased, measuring 1405 mm (55.3 in); a 5 mm (0.2 in) increase over the 954.
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Assuming wikipedia to be accurate, it seems a longer swingarm does have something to do with the traction control and suspension.
If someone KNOWS EXACTLY HOW IT IS SO, please reply. PLEASE DONT GUESS.
Something else i have always wanted to know, how does the suspension relate to braking? I mean, what other functions does the suspension serve, other than cushioning my behinds

?