RESPAWN FLEXX vs SIHOO M57

Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.

RESPAWN FLEXX

RESPAWN

RESPAWN FLEXX

$399

VS
SIHOO M57

SIHOO

SIHOO M57

$319.99

$79.01

lower starting price for SIHOO M57 than RESPAWN FLEXX at the brand stores

RESPAWN FLEXXSIHOO M57
Price
$399$319.99
Seat height
19.3–22.2 in46–55 cm (≈ 18.1-21.7 in)
Seat depth
18.9–20.5 in18.11 in (≈ 46 cm)
Load capacity
300 lb330 lb (≈ 150 kg)
Headrest
height-adjustable, pivoting, paddedHeadrest adjusts vertically up to 3.9 inches and rotates 45 degrees
Lumbar support
padded, adjustableDual-adjustable lumbar support (vertical and horizontal)

Questions

Which is cheaper, the RESPAWN FLEXX or the SIHOO M57?

The SIHOO M57 is cheaper to start: $319.99 versus $399 for the RESPAWN FLEXX at the brand stores (Oct 2026).

Which has a higher weight capacity?

The SIHOO M57, rated for 330 lb versus 300 lb for the RESPAWN FLEXX.

Which has a headrest?

Both: the RESPAWN FLEXX as standard and the SIHOO M57 as standard.

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