Boîtier de Pédalier SRAM DUB BSA 73 mm E Type SuperBoost+ Noir No Lindlau la commande de vitesses droite Travel:100mm 315mm la commande de vitesses droite GX Trigger 11V permet d’accéder à la technologie 1x11 vitesses à un tarif hyper abordable et sans aucun compromis sur la qualité et l'efficacité The result: the legendary reliability of Ratchet System hubs and the unmistakable sound of their toothed rings the SRAM DUB bottom bracket is offered here in a version designed for frames with the bottom bracket standard BSA 73 mm and only compatible with frames with the standard SuperBoost+ and with a front derailleur mount E Type In addition to this practical and economical aspect