Rue Pierre de Courbertin is two way from rue des Genets as far as the entrance to no 4, and then one way as shown

The Bose store is at

99 Grand Rue
L-1661 Luxembourg
Tel: 00352 (0)27 85 84 55
Fax: 00352 (0)27 85 84 56
E-Mail: Luxembourg_store@bose.com

Heures d'ouverture:
Lundi: 9:30 – 18:00
Mardi: 9:30 – 18:00
Mercredi: 9:30 – 18:00
Jeudi: 9:30 – 18:00
Vendredi: 9:30 – 18:00
Samedi: 9:00 – 18:00

Info from
https://www.bose.lu/LU/fr/about-bose/bose-stores/

no 86, Grand-Rue

H&M

Horaires d'ouverture
Lun. - Ven. 09:00 - 18:00
Sam. 09:00 - 18:30

Adresse
Centre Rosenstiel
Grand Rue 83
2340 Area 3 Luxembourg
Luxembourg
+352-468888

at the same address (99, grand-rue) is the headquarters / offices of amazon EU Sarl

This a new portion of the "Piste Cyclable de l'Alzette"