Compared across 3 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.
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The Bowflex SelectTech 90 is a single adjustable dumbbell that replaces a full rack of fixed weights. A dial on the handle lets you jump between settings from 5 to 90 lb in 5 lb steps, so one dumbbell covers warm-up sets and heavy presses. It is sold as a single unit, so a pair costs twice the listed price. At $399.99 at Best Buy as of November 8, 2026, it sits at the top of its recent range; the SelectTech line rarely drops far below list.
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Lowest price we've seen: $399.99 on Nov 8 at Best Buy. Tracked across 3 stores since Nov 8.
Owners like the space savings and the quick dial changes, and most find the 90 lb top end enough for pressing and rowing. Complaints center on the size of the dumbbell, plate rattle and the price of buying two.
