Process aimed at manufacturing a spoked bicycle wheel, comprising the steps of: a) providing a rim element having a tyre coupling channel and at least one spoke attachment chamber provided with at least one opening and with a spoke attachment surface comprising a plurality of spoke attachment seats; b) providing a spoke attachment assembly comprising: - a nipple having an enlarged head and a stem provided with a coupling portion configured to be coupled to a respective spoke; - at least one shaped washer (50, 60) applied onto the stem of the nipple; c) inserting the spoke attachment assembly into the at least one spoke attachment chamber through said at least one opening by inserting into the opening firstly the stem and then the enlarged head of the nipple along an insertion direction (d) that is inclined with respect to a horizontal plane arranged below the rim element and according to a sense of insertion that is oriented away from the horizontal plane and so that the at least one shaped washer (50, 60) remains applied onto the stem of the nipple due to the force of gravity; d) moving the spoke attachment assembly along the insertion direction (d) until the stem of the nipple is brought in contact with the spoke attachment surface; e) moving said spoke attachment assembly along the spoke attachment surface towards and up to one of said spoke attachment seats; f) inserting the stem of the nipple of said spoke attachment assembly in said spoke attachment seat; g) constraining said spoke attachment assembly to said spoke attachment seat; h) repeating steps c) to g) in order to couple a respective spoke attachment assembly to each of the plurality of spoke attachment seats. a) providing a rim element having a tyre coupling channel and at least one spoke attachment chamber provided with at least one opening and with a spoke attachment surface comprising a plurality of spoke attachment seats; b) providing a spoke attachment assembly comprising: - a nipple having an enlarged head and a stem provided with a coupling portion configured to be coupled to a respective spoke; - at least one shaped washer (50, 60) applied onto the stem of the nipple; - a nipple having an enlarged head and a stem provided with a coupling portion configured to be coupled to a respective spoke; - at least one shaped washer (50, 60) applied onto the stem of the nipple; c) inserting the spoke attachment assembly into the at least one spoke attachment chamber through said at least one opening by inserting into the opening firstly the stem and then the enlarged head of the nipple along an insertion direction (d) that is inclined with respect to a horizontal plane arranged below the rim element and according to a sense of insertion that is oriented away from the horizontal plane and so that the at least one shaped washer (50, 60) remains applied onto the stem of the nipple due to the force of gravity; d) moving the spoke attachment assembly along the insertion direction (d) until the stem of the nipple is brought in contact with the spoke attachment surface; e) moving said spoke attachment assembly along the spoke attachment surface towards and up to one of said spoke attachment seats; f) inserting the stem of the nipple of said spoke attachment assembly in said spoke attachment seat; g) constraining said spoke attachment assembly to said spoke attachment seat; h) repeating steps c) to g) in order to couple a respective spoke attachment assembly to each of the plurality of spoke attachment seats.