







💺 Elevate your workspace comfort—upgrade like a pro!
The SUBHTOH 4.0 inch Stroke Gas Lift Cylinder is a heavy-duty, Class 3 hydraulic piston designed to replace worn-out office chair cylinders. Certified by BIFMA and TUV for durability, it supports up to 1000 lbs and offers smooth 360° rotation. Its universal 51mm diameter fits most office and swivel chairs, providing an easy, cost-effective upgrade that extends your chair’s life and enhances ergonomic comfort.

| Brand | Subhtoh | 
| Manufacturer | Subhtoh | 
| Model number | CYA-BL40-S-R | 
| Colour | Black | 
| Number of Memory Sticks | 1 | 
| Item Weight | 750 g | 
| Product Dimensions | 24.38 x 5.08 x 5.08 cm; 750 g | 
| Item model number | CYA-BL40-S-R | 
| Item Height | 2 Inches | 
| Item Width | 2 Inches | 
| Are batteries included? | No | 
A**A
Good product
Fits and feels sturdy for the price . Installation was easy and fast . Best under the budget for hydrolic replacement.
J**R
This is waste product
Don’t buy this, it’s waste. Not working properly and not fit.
Trustpilot
2 months ago
2 weeks ago