Is the price for one castor only or a set of five?

I got five castors with rollers. A complete set. They're good

Which is the correct loading capacity? The top of this listing says 1760lbs, then the pictures say 650lbs...

I really couldn't say, but they are very well made,extremely sturdy, roll easily, and looks like they'll last a long time.

I will have a flat rug in my office - are these casters suitable to protect rug?

Yes its very suitable for rugs. I think it is a fine product!

Will these fit on a secret lab chair? i have the new titan evo 2022.

Secret lab or not, that will fit fine since the Titan Evo 2022 has the standard wheels fit :)

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Mastery Mart Office Chair Wheels Replacement 11x22mm, Rollerblade Style Office Chair Castors for Hardwood Floors, Ultra Heavy Duty, Quiet Smooth (Not for 1KEA Chair, Set of 5, Silver)

Mastery Mart Office Chair Wheels Replacement 11x22mm, Rollerblade Style Office Chair Castors for Hardwood Floors, Ultra Heavy Duty, Quiet Smooth (Not for 1KEA Chair, Set of 5, Silver)

Product ID: 208662661

Details

Brand
MASTERY MART
Colour
Silver
Item weight
1.2 Kilograms
Material
Thermoplastic
Unit count
5.0 count

🔇Quiet, smooth 360° glide

⚙️Universal 11x22mm fit

🛡️Supports up to 295kg

R1698

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In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🪑 Roll Smooth, Work Smart — Upgrade Your Chair Game Now!

TOOL FREE QUICK SWAP - Replace your old wheels in under 2 minutes—no tools, no fuss, just instant ergonomic upgrade.
WHISPER QUIET MOBILITY - Shock-absorbing polyurethane ensures smooth, silent rolling so you stay focused without distractions.
UNIVERSAL FIT FOR 99 CHAIRS - Precision 11x22mm stem fits almost every office or gaming chair—upgrade without hassle.
ULTRA HEAVY DUTY LOAD CAPACITY - Engineered steel and TPU wheels support up to 650 lbs, built to last through your busiest workdays.
FLOOR FRIENDLY ROLLERBLADE STYLE - Glide effortlessly on hardwood, carpet, tile, and more—no mats needed, no scratches left behind.

Mastery Mart’s Rollerblade Style Office Chair Wheels are a premium set of 5 replacement castors designed for universal 11x22mm stems, compatible with 99% of office and gaming chairs (excluding 1KEA and Topstar). Crafted from durable steel and shock-absorbing TPU, these wheels support up to 295kg (650lbs) and glide silently across hardwood, carpet, tile, and more without scratching floors or requiring mats. Easy to install without tools, they deliver a smooth 360° rotation for effortless mobility and a quieter workspace.

Specifications

ASIN	B06Y4BJ66G
Best Sellers Rank	35,965 in Home & Kitchen ( See Top 100 in Home & Kitchen ) 10 in Casters
Brand	MASTERY MART
Caster Type	Stem
Colour	Silver
Country Of Origin	China
Customer Reviews	4.6 4.6 out of 5 stars (630)
Included Components	office chair wheels Set of 5
Item Dimensions	7.5 x 3.2 x 9.3 centimetres
Item Weight	1.2 Kilograms
Load Capacity	6.5E+2 Pounds
Manufacturer	Mastery Mart Inc.
Manufacturer Part Number	MF-PT002E
Material	Thermoplastic Polyurethane (TPU) and Steel
Model Number	MF-PT002E
Mounting Type	Stem Mount
Surface Recommendation	Multi-Surface
UPC	640852998379
Unit Count	5.0 count
Wheel Width	2 Inches

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R1698

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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