A new cultivar of Rubus, ‘emr 20171’, that is characterized by its attractive, bright colored blunt conical shaped fruit that is well displayed and easy to detach, its excellent shipping properties and shelf-life that make an ideal variety for large-scale commercial production in the primocane season and as a ‘double cropper’； produced both on primocanes and floricanes following a period of natural or enforced dormancy, its vigorous primocanes that are held erect with developed lateral branches, its spines and thorns that are not prominent enough to interfere with picking and/or pruning, its berries with excellent eating quality both at harvest and after shipping, its berries that are sweet, aromatic, firm, and juicy with a good balance of sugar and acid, and its berries that do not darken and retain good texture after being chilled for transport.
