Breakdown of maekago, nidai, doroyoke, cheenkabaa, ryouritsusutando ga aru. benrina wake da.
Questions & Answers about maekago, nidai, doroyoke, cheenkabaa, ryouritsusutando ga aru. benrina wake da.
It is basically:
[list of things] が ある。便利な わけだ。
So the first sentence states that certain things exist / are attached / are present.
The second sentence gives the speaker’s conclusion: that explains why it’s convenient or no wonder it’s convenient.
A more structural breakdown:
- 前かご、荷台、泥よけ、チェーンカバー、両立スタンド = a list of items
- がある = there is / there are
- 便利なわけだ = that’s why it’s convenient / no wonder it’s convenient
The subject or topic being talked about is omitted, but it is understood from context, probably something like this bicycle.
Japanese often lists several nouns and then puts one particle after the whole list.
So:
- 前かご、荷台、泥よけ、チェーンカバー、両立スタンド がある
means something like:
- There is a front basket, a rear rack, mudguards, a chain cover, and a double-leg stand.
The が applies to the whole list, not just the last item.
This is very natural in Japanese. English often repeats structure less directly, but Japanese is happy to say A, B, C, D, E がある.
