This unique bicycle disc brake rotor has several innovations. The outer track of the Shimano RT99 is highly durable steel sandwiched over aluminum. The inner fins help cool things down, dissipating 50 degrees more heat than other rotors, meaning more power and modulation without melted pads. [$80; bike.shimano.com]
Mad Men's Charming Rogue
The man who played Roger Sterling, is moving on – surfing in Montauk, hanging with his son, and directing a feature film.
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