ZWO BC230 Counterweight Bar

Name: ZWO BC230 Counterweight Bar
Brand: ZWO

ZWO

ZWO BC230 Counterweight Bar is a mechanical imaging-train accessory for fit, clearance, balance, or camera framing.

mounting-hardware $

Best Current Offer

Astronomics

In stock

$39.00

Other retailers

Cloud Break Optics (In stock)
$39.00
High Point Scientific (In stock)
$39.00
Starizona (In stock)
$39.00
ZWO USA (In stock)
$39.00
Mile High Astronomy (In stock)
$44.00

Specifications

Overview

Accessory type: Counterweight shaft / bar

Compatibility

Compatibility: ZWO ASIAIR / ASI ecosystem

Use

Primary use: Astrophotography accessory misc

Specifications

Weight: 1.1 lb (0.5 kg)

Astrophotography Fit

Best when it solves a specific mechanical constraint in an otherwise planned rig.

ZWO BC230 Counterweight Bar should be chosen for the exact mechanical job it performs: balance, clearance, thread conversion, camera rotation, or tilt adjustment. These small parts can make a rig feel polished when they match the hardware around them.

Confirm thread size, optical path length, load rating, and clearance before ordering. Mechanical accessories are easy to overbuy and frustrating when one dimension is wrong.

Best paired with

Known thread standards and back-focus drawings for the full imaging train
Rigid camera trains where tilt and cable clearance matter
Portable mounts that need balance or tripod clearance solved cleanly

Not recommended for

Buying before the camera, reducer, and focuser spacing are known
Visual-only kits with no framing, tilt, or balance problem to solve
Trying to compensate for a flexing focuser or overloaded mount

Where To Buy

Some links on this page are affiliate links. Prices and availability are pulled automatically from each retailer and updated daily.

Retailer	Price	Availability	View Offer
Astronomics Astronomics	$39.00	In stock Updated 9/20/2026	View Offer - $39.00
Cloud Break Optics Cloud Break Optics	$39.00	In stock Updated 9/20/2026	View Offer - $39.00
High Point Scientific High Point Scientific	$39.00	In stock Updated 9/19/2026	View Offer - $39.00
Starizona Starizona	$39.00	In stock Updated 9/20/2026	View Offer - $39.00
ZWO USA ZWO USA	$39.00	In stock Updated 9/20/2026	View Offer - $39.00
Mile High Astronomy Mile High Astronomy	$44.00	In stock Updated 9/20/2026	View Offer - $44.00

Price History

Chronological retailer pricing with out-of-stock points shown at reduced opacity.

Astronomics Cloud Break Optics High Point Scientific Mile High Astronomy Starizona ZWO USA