SKU: 21171799500

HobbyStar 540 4-Pole Brushless Sensorless Motor

$18.00 $20.00
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USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 2 - Aug 7

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Description

HobbyStar 540 4-Pole Brushless Sensorless MotorThe HobbyStar 540 4 pole brushless, sensorless motor is perfect where a high torque, high performance powerplant is required. A beautifully machined T6 billet aluminum housing contains a 4 pole, 12 slot high torque rotor spinning on High RPM ABEC5 oversized bearings for a powerful, reliable motor choice for your 1 10 scale vehicle. Comes with motor leads with 4. 0mm bullet connectors already installed. Available in a wide variety of KV ratings.

The HobbyStar 540 4-pole brushless, sensorless motor is perfect where a high-torque, high-performance powerplant is required.  A beautifully machined T6 billet-aluminum housing contains a 4-pole, 12-slot high-torque rotor spinning on High-RPM ABEC5 oversized bearings for a powerful, reliable motor choice for your 1/10 scale vehicle.  Comes with motor leads with 4.0mm bullet connectors already installed. Available in a wide variety of KV ratings.

Features:

  • 4-pole 12-slot high-torque design
  • CNC machined 6061 T6 billet aluminum can
  • High-purity copper windings maximize efficiency
  • High-RPM ABEC5 oversized bearings
  • Precision balanced rotor for smooth operation and maximum RPM
  • Super-thin (0.2mm) stator laminations 
  • Removable/replaceable rotor
  • Precision Engineered for maximum energy conversion
            Shipping Notes
            • Free Standard Shipping on $100+ Orders to the USA.
            • Except Preorder products are shipped in 48 hours.
            • Delivery to the USA:
            1. Standard Shipping : 3-10 business days
            • If time is of the essence, please consider selecting expedited delivery for faster service.
            Exchange/Return Notes
            • We offer a 30-day return/exchange service after receiving.
            • Final sale items are not eligible for returns or exchanges.
            • To process your return/exchange, please contact us at [email protected]
            • Please click here for more details>>> Return & Exchange Policy
            SKU: 21171799500

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            4.6 ★★★★★
            Based on 14 reviews
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            Product Reviews
            K
            Verified Purchase
            Karen
            Massapequa, US
            ★★★★★ 5
            Durable
            Color: S6-muti-color
            The balls are great for chewers. The squeaky didn’t last long but they are perfect for the ball launcher.
            WAS THIS REVIEW HELPFUL?YesReportShare
            Reviewed in the United States on May 18, 2026
            C
            Verified Purchase
            Candice K
            Draper, US
            ★★★★★ 4
            The squeeker isn't durable, but the balls themselves are.
            Color: S6-muti-color, Color: S6-muti-color
            I have two 70+lb, ball obsessed dogs (a field bred Golden Retriever, and an Old Time Scotch Collie), and these balls are living up to the abuse they're receiving. In the fall we always lose a ball or two in the yard due to getting lost in leaves or longer grass, so I always try and buy a multi pack at the start of the season, so went with these this year. I'm glad I did. Great price for a 6 pack, they fit the medium Chuck-It launcher (a little loosely, but they throw just fine), have great bounce, they FLOAT (which means I didn't lose any at the beach), and they're super durable to the dreaded "mouth squish." The squeaker dies pretty quick, like, within a day, but it isn't the kind that can fall out or choke your dog, so no worries there. The boys are happy, I'm happy, my wallet is happy - I've already ordered another pack.
            WAS THIS REVIEW HELPFUL?YesReportShare
            Reviewed in the United States on November 2, 2024
            S
            Verified Purchase
            S. Berg
            Lowell, US
            ★★★★★ 5
            Good balls
            Color: S6-glow
            My dog is a chewer, and these have held up for close to a year actually a pretty good product
            WAS THIS REVIEW HELPFUL?YesReportShare
            Reviewed in the United States on May 27, 2026
            N
            Verified Purchase
            nanny america
            Lake Worth, US
            ★★★★★ 3
            Disappointed
            Color: S6-muti-color
            These were great for about 20 minutes then they stopped squeaking...we have 2 left that I have saved but the other 4 do not squeak anymore...disappointed as my dog loves to squeak things...would not buy these again...My dog is only an 8lb dog too...but he can still play with the balls without the squeak...
            WAS THIS REVIEW HELPFUL?YesReportShare
            Reviewed in the United States on April 26, 2026
            J
            Verified Purchase
            joymom
            Chelsea, US
            ★★★★★ 5
            Great Value for a ball my dog loves!
            Color: S6-muti-color
            I wish these ball were in the subscription program! My dog gets sooo excited by the new ball, but her interest in things lasts for a few days. She kills the squeak within 11minutes, but the squeaker stays in place rather than becoming a chocking or swallow hazard, and she still loves to chew it. Next, we must throw the ball approximately 723 times the first day, possibly 496 times on day 2, and just 3- 4 on day 3, at which point she will chase the ball before hollering "it's over here if you need it," while she checks on the chipmunk den. We currently have 17 of these balls in our yard (because we have given several leftovers to a less discriminating doodle next door). These balls hold up really well, get her extremely active for the first couple of days, and are a much cheaper than doggie daycare (after an active morning with a new ball, she is happy to chew on it and sleep much of the day). I always have these on hand!
            WAS THIS REVIEW HELPFUL?YesReportShare
            Reviewed in the United States on November 22, 2025

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