You can find the raw scans on WeloveManga, but keep an eye out for the scanlation groups dropping the English version soon. What did you think of that final panel?
Use a phone camera translation app (like Google Translate's camera mode) to scan the speech bubbles if you want a rough idea of the dialogue. SENTAI DAI SHIKKAKU - RAW chap 172 Raw Manga - WeloveManga
Based on the final panels of Chapter 171, here are three concrete predictions for the raw chapter 172: You can find the raw scans on WeloveManga,