公开(公告)号：US20170097058A1

公开(公告)日：2017-04-06

申请号：US14876324

申请日：2015-10-06

Applicant: Shimano Inc.

Inventor： Masahiro NAKAKURA ,  Yusuke HOSOMI ,  Ryosuke YAMAMOTO ,  Masanori TANIGUCHI ,  Toru IWAI

IPC: F16D65/12

CPC classification number: F16D65/128 ,  F16D65/123 ,  F16D65/125 ,  F16D2065/1316 ,  F16D2065/132 ,  F16D2065/1332 ,  F16D2200/0017 ,  F16D2200/0021 ,  F16D2200/003 ,  F16D2250/0061

Abstract: A bicycle disc brake rotor having a rotational center axis is provided including an outer portion and an inner portion. The outer portion includes a first member having a first thermal conductivity and a second member having a second thermal conductivity that is higher than the first thermal conductivity. The second member is attached to the first member. The inner portion is disposed radially inwardly from the outer portion with respect to the rotational center axis. The inner portion is a separate member from the first and second members. The inner portion is attached to or contacts the second member of the outer portion.