** [http://shop.larryvsharry.com/shop/accessories/abus-ivy-1100-mm.html shop.larryvsharry.com: 115 EUR], [http://www.cargobicycles.org/Damper-kit Obst&Gemüse 129 CHF]
** [http://www.maagtechnic.ch/fr_CH/produits/section-de-produits/technique-dentrainement/ressorts-a-gaz-stabilus.html Maagtechnic: ressorts à gaz] (e-shop actuellement HS (18.6.2015)), http://stabilus.cadclick.com/index.asp?la=100
** [http://www.angst-pfister.com/fr-ch/dynasite.cfm?cmd=download_download_download_Download&id=329&Filename=dlfr060410144453.pdf&dsmid=96604 Angst-Pfister: ressorts à gaz]
== Freins ==