iOptron 2.5kg (5.5lb) Counterweight with 28mm Bore

Stock count is accurate & shown in real time.
- This item is out of stock.
- Sign up for back-in-stock alerts to be notified when this item becomes available.
- This item is out of stock.
- We have no ETA from the manufacturer at this time.
- Sign up for back-in-stock alerts to be notified when this item becomes available.
Lower 48 States:
Orders over $50 ship free within the Lower 48 using a carrier and service we select based on your items and delivery location. Faster shipping options may be available at checkout.
U.S. Outside the Lower 48 (AK, HI, PR):
Free shipping on orders over $50 applies to many—but not all—items. Add items to your cart and enter your ZIP code to see available shipping options and any costs.
International Orders:
Free shipping does not apply to international orders. You’ll see available shipping options and costs during checkout. Some items can’t be shipped internationally due to size or manufacturer restrictions. Duties, taxes, brokerage fees, and tariffs are not included and are the customer’s responsibility.
This 2.5 kg (5.5lb) counterweight is designed for following iOptron mount:
- CEM70/CEM70EC/CEM70G
- CEM60/CEM60EC
- GEM45/GEM45EC/GEM40G
- CEM40/CEM40EC/CEM40G* (for late version with 28mm CW shaft)
- iEQ45 Pro
- iEQ45
* Check your CEM40 mount CW shaft diameter before ordering.
It can be used for other mount with a 28mm diameter counterweight shaft.
Technical Specifications:
- Weight: 2.5 kg (5.5 lbs.)
- Outer diameter: 118 mm (4.6 in.)
- Inner diameter: 28.5 mm (1.12 in.)
- Height: 25 mm (1 in.)
- Locking mechanism: Locking screw with pin
- Locking screw thread size: M8
Actual dimension, except inner diameter, may be different.
Other Information
- Country of Manufacture: China
This 2.5 kg (5.5lb) counterweight is designed for following iOptron mount:
- CEM70/CEM70EC/CEM70G
- CEM60/CEM60EC
- GEM45/GEM45EC/GEM40G
- CEM40/CEM40EC/CEM40G* (for late version with 28mm CW shaft)
- iEQ45 Pro
- iEQ45
* Check your CEM40 mount CW shaft diameter before ordering.
It can be used for other mount with a 28mm diameter counterweight shaft.
Technical Specifications:
- Weight: 2.5 kg (5.5 lbs.)
- Outer diameter: 118 mm (4.6 in.)
- Inner diameter: 28.5 mm (1.12 in.)
- Height: 25 mm (1 in.)
- Locking mechanism: Locking screw with pin
- Locking screw thread size: M8
Actual dimension, except inner diameter, may be different.
This 2.5 kg (5.5lb) counterweight is designed for following iOptron mount:
- CEM70/CEM70EC/CEM70G
- CEM60/CEM60EC
- GEM45/GEM45EC/GEM40G
- CEM40/CEM40EC/CEM40G* (for late version with 28mm CW shaft)
- iEQ45 Pro
- iEQ45
* Check your CEM40 mount CW shaft diameter before ordering.
It can be used for other mount with a 28mm diameter counterweight shaft.
Technical Specifications:
- Weight: 2.5 kg (5.5 lbs.)
- Outer diameter: 118 mm (4.6 in.)
- Inner diameter: 28.5 mm (1.12 in.)
- Height: 25 mm (1 in.)
- Locking mechanism: Locking screw with pin
- Locking screw thread size: M8
Actual dimension, except inner diameter, may be different.
Other Information
- Country of Manufacture: China
| Product Status | new |
|---|---|
| Free Shipping Graphic | Free Contiguous US Shipping |
| Hide Found a better Shipped Price on Frontend? | No |

iOptron 2.5kg (5.5lb) Counterweight with 28mm Bore


















