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View Diary: Breaking - George Bush Injured (264 comments)

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  •  carbon black, bicycle tires, and rain (4.00)
    It actually makes me wonder whether Bush is using tires which lack carbon black. A lot of bicycle tires sold in the past few years use silica to improve traction rather than carbon black, and include a colored dye (which is sometimes black) to provide a consistent color for the tire. These tires have truly awful traction on wet surfaces, and could easily contribute to crashes like this.

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