Description
The DU-BRO Super Strength Servo Arms are designed for RC hobbyists who need servo arms that are extremely strong and won’t bend or break. These arms are made from a long fiber composite material, which is much stronger than regular plastic. They are great for RC airplanes, cars, helicopters, and boats—especially in high-stress situations.
These arms also give you more control throw, especially on the longer versions. More throw means your control surfaces can move farther, which improves responsiveness and helps you fine-tune the way your model flies or drives. They work well for aerobatics, racing, and everyday use.
Each package includes 8 servo arms in one of four colors:
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Black: #670 / #673 (25 teeth / I.D. – .210″)
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Gray: #671 / #674 (23 teeth / I.D. – .220″)
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White: #672 / #675 (24 teeth / I.D. – .215″)
Servo Compatibility
These servo arms fit several popular servo brands:
Futaba-style (#670 / #673):
ACE Digital: DS1313, DS1213, DS1015, DS1211, DS1013, DS1111
ACE Analog: S1903, S1903MG, S1807MG, S2008MG
BlueBird: BMS-760DMG
Hitec (#672):
HS-85, HS-60, HS-422, HS-85BB, HS-81 Micro
Spektrum (#671 / #674):
A4010
Note: These arms come on a molded plastic “tree” and cannot be sold individually.
Proudly Made in the USA, DU-BRO Super Strength Servo Arms offer long-lasting durability, smoother control, and dependable performance for all types of RC models.
Standard Servo Arm Sizes
| Arm Type | Distance from Center | Overall Width |
|---|---|---|
| Double Arm | 0.750″ (19.0 mm) | 1.75″ (44.4 mm) |
| Small Arm | 0.535″ (13.6 mm) | — |
| Medium Arm | 0.750″ (19.0 mm) | — |
| Small Arm | 0.535″ (13.6 mm) | — |
| Triple Arm | 0.750″ (19.0 mm) | 1.75″ (44.4 mm) |
Long Servo Arm Sizes
| Arm Type | Distance from Center | Overall Width |
|---|---|---|
| Double Arm | 1.152″ (29.2 mm) | 2.305″ (58.5 mm) |
| Small Arm | 1.140″ (28.9 mm) | — |
| Medium Arm | 0.875″ (22.2 mm) | — |
| Large Arm | 1.375″ (34.9 mm) | — |
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