Roller skate

A roller skate including:

• a boot including a body portion and a sole, the sole having a longitudinal direction and including two receptacles arranged in interval in the longitudinal direction, each of the two receptacles including a wall and at least one slot open on the sole in the longitudinal direction, the wall defining at least one opening of the at least one slot;
• a roller assembly including a frame and a plurality of rollers disposed on the frame, the frame including two insertion portions arranged in interval in the longitudinal direction, the two insertion portions being respectively insertable in and detachable from the two receptacles in the longitudinal direction, each of the two insertion portions being blocked by the wall of one of the two receptacles in a blocking direction projecting vertically away from the sole;
• and
• a plurality of fasteners securing the frame to the sole;
• wherein the sole is integrally formed of one piece, and each of the two receptacles is integrally formed as a part of the sole;
• wherein the sole further has a width direction, the wall includes a plurality of blocking flanges arranged in interval in the width direction and extending in the width direction, each of the two insertion portions includes a plurality of engaging flanges arranged in interval in the width direction and extending in the width direction, and the plurality of engaging flanges are inserted in the at least one slot and blocked by the plurality of blocking flanges in the blocking direction;
• wherein each of the plurality of blocking flanges includes at least one perforation disposed therethrough in the blocking direction, and each of the plurality of fasteners is disposed through one of the plurality of engaging flanges and one of the at least one perforation and connected to the sole;
• wherein the at least one perforation is open on a lateral side of at least one of the plurality of blocking flanges in the width direction, and the at least one perforation is closed on another lateral side of the at least one of the plurality of blocking flanges in the width direction.