Light and strong cranking battery
08 CBR1000rr Superior to stock in most ways and an excelent price. Battery weight's high on the bike,the savings is significant. One, two, or three pounds in a handfull of different places all adds up.
Body weight and extended equitment weight play completely different roles when it comes to how a bike behaves. You use your body mass and muscle to manipulate the bike, the lighter the bike, the more influance your mass has to manipulate the bike.