Human-powered vehicle bottom bracket assembly

Abstract

[Problem] To provide a bottom bracket assembly for a manually driven vehicle that helps reduce rotational torque. [Solution] A bottom bracket assembly for a manually driven vehicle has a rotation center axis and includes: a first adapter member mounted on a first opening of the bottom bracket suspension in an installation state where the bottom bracket assembly is mounted on the bottom bracket suspension of a manually driven vehicle; a second adapter member mounted on a second opening of the bottom bracket suspension in an installation state; a first bearing unit; a second bearing unit; a tubular member having a first end and a second end axially opposite to the first end, holding the first bearing unit at the first end and the second bearing unit at the second end; and at least one tolerance adjustment member radially disposed between the first adapter member and the first end of the tubular member.

Images