Bicycle rim
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United States of America Patent
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Dec 9, 2014
Issued Date -
N/A
app pub date -
Jul 27, 2010
filing date -
Jul 27, 2010
priority date (Note) -
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Abstract
A bicycle rim is provided with a pair of circumferential side walls and an outer bridge connecting radial outer ends between the first and second circumferential side walls. At least one of the first and second circumferential side walls includes a first portion of a non-resin material with a first thermal conductivity and a second portion of a non-resin material with a second thermal conductivity. The second portion extends more than half in a circumferential direction along the at least one of the first and second circumferential side walls. The second thermal conductivity of the second portion is higher than the first thermal conductivity of the first portion. The first and second portions at least partially overlaps in a thickness direction of the at least one of the first and second circumferential side walls.
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