"Rimbase" is spelled as [rɪmbeɪs], with a stress on the second syllable [beɪs]. The word refers to the bottom edge of a wheel or a base area of a rim. The /r/ and /m/ sounds are followed by a short /i/ sound and then a voiced /b/ sound. The second syllable contains a diphthong with an /eɪ/ sound paired with a voiceless alveolar fricative /s/. Overall, the spelling of "Rimbase" conforms well to conventional English phonetic rules.