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Old August 25th, 2015, 10:18 AM   #2
Motofool
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Name: Hernan
Location: Florida
Join Date: Mar 2011

Motorcycle(s): 2007 Ninja 250

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Reducing weght increases acceleration, but does nothing for top speed.
Reducing weight far from the axis also reduces the resistance to rotation (moment of inertia = m*r^2); for that reason reducing weight of tires and rims is more significant than reducing the weight of brake discs or sprocket.

http://www.engineeringtoolbox.com/mo...que-d_913.html
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