In a small saucepan combine rice wine vinegar, granulated sugar, and water. Heat up the mixture until the sugar dissolves. Remove the dressing from heat and allow to come down to room temp.

Place sliced cucumber, sliced radishes, minced red onion and minced jalapeno in mixing bowl and add salt and cilantro.

When the cucumber dressing is at room temp, add it to the cucumbers and toss to combine everything.

Taste for salt.