In 2009, Honda introduced a revised CBR600RR for the 2009 model year. The new CBR600RR will have an available option of "Combined ABS", its following the "Combined ABS" prototype. Other changes include updates to the engine which improved torque from 8000 rpm to 12000 rpm, improved fairings that enhance stability and reduce noise emission levels, and new color schemes which were designed to attract a wider range of riders. Although all of these changes involved the addition of some materials, the overall weight of the 2009 CBR600RR remains the same as the 2008 model. This was achieved through weight savings in the engine, exhaust, and chassis and continues to remain the lightest bike in the super sport class.
Honda reminds us that traditional ABS and combined braking ABS on bikes use extra components, like a delay valve, pressure control valve, a fork-mounted secondary master cylinder and special 3-piston brake calipers. What makes this new system exceptional is that Honda was able to do away with those extra clunky bits, using a traditional caliper in the process. In the case of the ’09 CBR600RR (regardless of C-ABS option or standard brake) that traditional caliper is now essentially the same mono-block radial-mount caliper that’s on the CBR1000RR.
The most basic components of the typical ABS are: wheel-speed sensors, pressure control valve(s), and an electronic controller (ABS brain). With ABS, instead of fluid traveling straight from the lever/pedal to the caliper, it now first passes through a control valve, then out to the respective calipers. Under normal circumstances fluid moves uninhibited from the lever through the control valve and out to the caliper; just like a standard system but with the extra path through the control valve.
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