FlexiSpot Standard Ergo Office Chair (C4) vs SIHOO B100
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
FlexiSpot
FlexiSpot Standard Ergo Office Chair (C4)
$219.99 – $239.99
VS
SIHOO
SIHOO B100
$199.99 – $259.99
2 years
longer warranty on FlexiSpot Standard Ergo Office Chair (C4) than SIHOO B100 (official terms)
Differences at a glance
Sources
- Standard Ergonomic Office Chair | FlexiChair C4 | Flexispot ↗Checked Oct 17, 2026
- Sihoo B100 Ergonomic Office Chair With Flip-Up Armrest – EU Sihoo official Shop ↗Checked Oct 8, 2026
- Sihoo B100 Ergonomic Office Chair With Flip-Up Armrest – Official US Sihoo Store ↗Checked Oct 8, 2026
FlexiSpot Standard Ergo Office Chair (C4)SIHOO B100
- Price
- $219.99 – $239.99$199.99 – $259.99
- Seat height
- 17.91–20.87 inSeat height adjustable from 18.3" to 21.9"
- Load capacity
- 300 lb330 lb (≈ 150 kg)
- Recline
- 90–135°Three lockable angles: 110°, 125° and 135°
- Arms
- 3DFlip-up 2D armrests
- Headrest
- 3DWide 2D adjustable headrest
- Lumbar support
- fixedFloating sacral cushion (targeted sacral support)
- Warranty
- 5 years3 years
Questions
Which is cheaper, the FlexiSpot Standard Ergo Office Chair (C4) or the SIHOO B100?
The SIHOO B100 is cheaper to start: $199.99 versus $219.99 for the FlexiSpot Standard Ergo Office Chair (C4) at the brand stores (Oct 2026).
Which has a higher weight capacity?
The SIHOO B100, rated for 330 lb versus 300 lb for the FlexiSpot Standard Ergo Office Chair (C4).
Which has a headrest?
Both: the FlexiSpot Standard Ergo Office Chair (C4) as standard and the SIHOO B100 as standard.
FlexiSpot Standard Ergo Office Chair (C4): specs, reviews, where to buy →SIHOO B100: specs, reviews, where to buy →
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