HobbyStar 540 Pro V3, Competition Brushless Sensored Motor - 7.5T 7.5 Mod
HobbyStar 540 Pro V3, Competition Brushless Sensored Motor - 7.5T 7.5 Mod
HobbyStar 540 Pro V3, Competition Brushless Sensored Motor - 7.5T 7.5 Mod
Description
NOTE: Motor image shown is generic, you will receive the KV/Turn in listing title. Please see spec table for specifications.
The HobbyStar 540 V3 series motors are the next generation of a championship-winning powerplant that continues to push the boundaries.
Along with looking amazing, the all-new can and stator design maximizes cooling efficiency, to raise the bar yet again. The V3 Spec-winds have shed an incredible 20g of weight, making it a full 40g lighter than the original, V1 design at only 140g.
Underneath the beautiful can lies an all-new sensor board, stronger magnets in the rotor, lightened stators, and a beefed-up endplate. Gold-plated solder tabs and titanium-nitride coated aluminum bolts keep it all together while keeping things light.
Available in Spec and MOD versions, as well as an all-new "ET" version which comes with a high-torque rotor and stator optimized for drag-racing.
Features:
Model | LiPo | Max Amps | Rotor Poles | IO (7.4V) | Resistance | Turns | Watts | Rotor (mm) | KV (RPM/Volt) | Weight (g) | Shaft Diameter (mm) |
2.5T MOD-ET | 1-2S | 135A | 2 | 15.3A | 0.0011 | 2.5 | 650 | 13.0*5*24.5 | 12,200 | 160 | 3.175 |
3.5T MOD-ET | 1-2S | 125A | 2 | 11.1A | 0.0016 | 3.5 | 550 | 13.0*5*24.5 | 9,005 | 160 | 3.175 |
4.0T MOD | 1-2S | 108A | 2 | 9.5A | 0.0022 | 4.0 | 490 | 12.3*5*24.5 | 8,200 | 160 | 3.175 |
4.5T MOD-ET | 1-2S | 110A | 2 | 10A | 0.0026 | 4.5 | 480 | 13.0*5*24.5 | 7,260 | 160 | 3.175 |
5.0T MOD | 1-2S | 100A | 2 | 6.0A | 0.0037 | 5.0 | 430 | 12.3*5*24.5 | 6,800 | 160 | 3.175 |
5.5T MOD-ET | 1-2S | 100A | 2 | 6.4A | 0.0039 | 5.5 | 450 | 13.0*5*24.5 | 6,065 | 160 | 3.175 |
6.5T MOD | 1-2S | 94A | 2 | 4.5A | 0.0061 | 6.5 | 390 | 12.3*5*24.5 | 5,700 | 160 | 3.175 |
7.5T MOD | 1-2S | 86A | 2 | 3.8A | 0.0072 | 7.5 | 360 | 12.3*5*24.5 | 5,000 | 160 | 3.175 |
8.5T MOD | 1-2S | 80A | 2 | 3.4A | 0.099 | 8.5 | 340 | 12.3*5*24.5 | 4,600 | 160 | 3.175 |
9.5T MOD | 1-2S | 70A | 2 | 3.1A | 0.0133 | 9.5 | 290 | 12.3*5*24.5 | 4,200 | 160 | 3.175 |
10.5T MOD | 1-3S | 65A | 2 | 2.1A | 0.0158 | 10.5 | 270 | 12.3*5*24.5 | 3,600 | 160 | 3.175 |
10.5T SPEC | 1-3S | 63A | 2 | 4.7A | 0.0149 | 10.5 | 250 | 12.5*7.2*25.2 | 4.500 | 140 | 3.175 |
13.5T SPEC | 1-3S | 49A | 2 | 4.4A | 0.0221 | 13.5 | 190 | 12.5*7.2*25.2 | 4.000 | 140 | 3.175 |
17.5T SPEC | 1-3S | 34A | 2 | 3.5A | 0.0375 | 17.5 | 130 | 12.5*7.2*25.2 | 3,100 | 140 | 3.175 |
21.5T SPEC | 1-3S | 28A | 2 | 2.4A | 0.0573 | 21.5 | 100 | 12.5*7.2*25.2 | 2.500 | 140 | 3.175 |
-
Shipping Policy
- All orders are shipped within 24 hours during regular business days. We ship Monday-Friday and on some Saturdays as well. If you have any questions about shipping please contact us first.
- Many of our items come with free shipping. If you are purchasing multiple items on which shipping is charged, please follow one of the following two methods for the best shipping rate:
- Option 1: Add the items to your cart, and then from your cart, hit the Request Total From Seller link and then wait for us to send you an invoice with adjusted shipping.
- Option 2: Use the Buy It Now option and NOT the "Add to Cart" option, then select Commit To Buy for each item and wait for us to send you an adjusted invoice.
- Ebay CANNOT combine shipping automatically, so please wait for our combined invoice. We send out invoices throughout the day. If you do not wait for a combined invoice then WE CANNOT REFUND THE EXTRA SHIPPING.
- We ship INTERNATIONAL, all rates are calculated automatically through Ebay. You will see your shipping price displayed for the country in which you are having the item shipped to.
- Most Domestic Shipping is via USPS First Class Package or Priority Mail. Some heavier items may be shipped via FedEx.
- Most International Shipping is via USPS First Class International, heavier packages may go via USPS Priority.
- We ship to Alaska, Hawaii, Guam, US Virgin Islands, APO/FPO and Puerto Rico.
-
Payment Methods
- Paypal is the only method of payment we accept. Any payments made via E-Check through Paypal must clear before item is shipped.
- Notes left at checkout or on your Paypal payment may not be noticed, if you have any comments please be sure to send us a message directly to ensure we see your comments.
- We ship fast so if you have a request to change your order please contact us ASAP.
- SALES TAX will be charged on all orders shipping to California.
-
Return Policy
- We accept returns on UNUSED and UNOPENED items within 14 days of purchase. Any item that has been opened or used cannot be returned unless it is defective.
- Please contact us first before sending any item back for return instructions.
-
Feedback
- We leave positive feedback to all buyers who complete a purchase and we strive to earn positive feedback and 5-star ratings in all categories.
- If you have a problem with an item you receive, PLEASE CONTACT US FIRST before leaving negative feedback to resolve the issue.
Store Home
|
View All Listings
|
Copyright © 2023 RCJuice. All rights reserved. |
Brand: | HobbyStar |
---|---|
Isin: | IOKDSE4UW9AW |

IBspot Buyer Protection
Shop confidently on IBspot, receive your item as described or your money back for eligible orders. Learn Program Terms

GUARANTEED SAFE CHECKOUT
-
MONEY BACK GUARANTEE
30 days money back guarantee, no additional fee charged.
-
EXCELLENT SUPPORT
We provide 24/7 online customer support via email.
-
Fast Shipping
One week domestic shipping. Global delivery to the US in 2 weeks.




HobbyStar 540 Pro V3, Competition Brushless Sensored Motor - 7.5T 7.5 Mod

Description
NOTE: Motor image shown is generic, you will receive the KV/Turn in listing title. Please see spec table for specifications.
The HobbyStar 540 V3 series motors are the next generation of a championship-winning powerplant that continues to push the boundaries.
Along with looking amazing, the all-new can and stator design maximizes cooling efficiency, to raise the bar yet again. The V3 Spec-winds have shed an incredible 20g of weight, making it a full 40g lighter than the original, V1 design at only 140g.
Underneath the beautiful can lies an all-new sensor board, stronger magnets in the rotor, lightened stators, and a beefed-up endplate. Gold-plated solder tabs and titanium-nitride coated aluminum bolts keep it all together while keeping things light.
Available in Spec and MOD versions, as well as an all-new "ET" version which comes with a high-torque rotor and stator optimized for drag-racing.
Features:
Model | LiPo | Max Amps | Rotor Poles | IO (7.4V) | Resistance | Turns | Watts | Rotor (mm) | KV (RPM/Volt) | Weight (g) | Shaft Diameter (mm) |
2.5T MOD-ET | 1-2S | 135A | 2 | 15.3A | 0.0011 | 2.5 | 650 | 13.0*5*24.5 | 12,200 | 160 | 3.175 |
3.5T MOD-ET | 1-2S | 125A | 2 | 11.1A | 0.0016 | 3.5 | 550 | 13.0*5*24.5 | 9,005 | 160 | 3.175 |
4.0T MOD | 1-2S | 108A | 2 | 9.5A | 0.0022 | 4.0 | 490 | 12.3*5*24.5 | 8,200 | 160 | 3.175 |
4.5T MOD-ET | 1-2S | 110A | 2 | 10A | 0.0026 | 4.5 | 480 | 13.0*5*24.5 | 7,260 | 160 | 3.175 |
5.0T MOD | 1-2S | 100A | 2 | 6.0A | 0.0037 | 5.0 | 430 | 12.3*5*24.5 | 6,800 | 160 | 3.175 |
5.5T MOD-ET | 1-2S | 100A | 2 | 6.4A | 0.0039 | 5.5 | 450 | 13.0*5*24.5 | 6,065 | 160 | 3.175 |
6.5T MOD | 1-2S | 94A | 2 | 4.5A | 0.0061 | 6.5 | 390 | 12.3*5*24.5 | 5,700 | 160 | 3.175 |
7.5T MOD | 1-2S | 86A | 2 | 3.8A | 0.0072 | 7.5 | 360 | 12.3*5*24.5 | 5,000 | 160 | 3.175 |
8.5T MOD | 1-2S | 80A | 2 | 3.4A | 0.099 | 8.5 | 340 | 12.3*5*24.5 | 4,600 | 160 | 3.175 |
9.5T MOD | 1-2S | 70A | 2 | 3.1A | 0.0133 | 9.5 | 290 | 12.3*5*24.5 | 4,200 | 160 | 3.175 |
10.5T MOD | 1-3S | 65A | 2 | 2.1A | 0.0158 | 10.5 | 270 | 12.3*5*24.5 | 3,600 | 160 | 3.175 |
10.5T SPEC | 1-3S | 63A | 2 | 4.7A | 0.0149 | 10.5 | 250 | 12.5*7.2*25.2 | 4.500 | 140 | 3.175 |
13.5T SPEC | 1-3S | 49A | 2 | 4.4A | 0.0221 | 13.5 | 190 | 12.5*7.2*25.2 | 4.000 | 140 | 3.175 |
17.5T SPEC | 1-3S | 34A | 2 | 3.5A | 0.0375 | 17.5 | 130 | 12.5*7.2*25.2 | 3,100 | 140 | 3.175 |
21.5T SPEC | 1-3S | 28A | 2 | 2.4A | 0.0573 | 21.5 | 100 | 12.5*7.2*25.2 | 2.500 | 140 | 3.175 |
-
Shipping Policy
- All orders are shipped within 24 hours during regular business days. We ship Monday-Friday and on some Saturdays as well. If you have any questions about shipping please contact us first.
- Many of our items come with free shipping. If you are purchasing multiple items on which shipping is charged, please follow one of the following two methods for the best shipping rate:
- Option 1: Add the items to your cart, and then from your cart, hit the Request Total From Seller link and then wait for us to send you an invoice with adjusted shipping.
- Option 2: Use the Buy It Now option and NOT the "Add to Cart" option, then select Commit To Buy for each item and wait for us to send you an adjusted invoice.
- Ebay CANNOT combine shipping automatically, so please wait for our combined invoice. We send out invoices throughout the day. If you do not wait for a combined invoice then WE CANNOT REFUND THE EXTRA SHIPPING.
- We ship INTERNATIONAL, all rates are calculated automatically through Ebay. You will see your shipping price displayed for the country in which you are having the item shipped to.
- Most Domestic Shipping is via USPS First Class Package or Priority Mail. Some heavier items may be shipped via FedEx.
- Most International Shipping is via USPS First Class International, heavier packages may go via USPS Priority.
- We ship to Alaska, Hawaii, Guam, US Virgin Islands, APO/FPO and Puerto Rico.
-
Payment Methods
- Paypal is the only method of payment we accept. Any payments made via E-Check through Paypal must clear before item is shipped.
- Notes left at checkout or on your Paypal payment may not be noticed, if you have any comments please be sure to send us a message directly to ensure we see your comments.
- We ship fast so if you have a request to change your order please contact us ASAP.
- SALES TAX will be charged on all orders shipping to California.
-
Return Policy
- We accept returns on UNUSED and UNOPENED items within 14 days of purchase. Any item that has been opened or used cannot be returned unless it is defective.
- Please contact us first before sending any item back for return instructions.
-
Feedback
- We leave positive feedback to all buyers who complete a purchase and we strive to earn positive feedback and 5-star ratings in all categories.
- If you have a problem with an item you receive, PLEASE CONTACT US FIRST before leaving negative feedback to resolve the issue.
Store Home
|
View All Listings
|
Copyright © 2023 RCJuice. All rights reserved. |
![]() |
- Brand: HobbyStar
- MPN: 375-14-277
- UPC: 688977151576
Processing Time
- We process and ship orders Monday through Friday, excluding holidays.
- Most orders are processed within 1–3 business days, depending on product availability.
- Processing time does not include delivery time, which varies based on your location and the product’s shipping origin.
Shipping Coverage
We currently ship to addresses within the United States only.
Products may ship from:
- Our U.S. warehouses, or
- Our international fulfillment centers (including Korea, Japan, China, Australia, Mexico, Canada, the United Kingdom, and the EU).
Each product page clearly displays the “Ships From” location before checkout.
Shipping Methods & Estimated Delivery
Shipping Method | Estimated Delivery | Cost |
---|---|---|
Free Shipping (US) | 5–10 business days | Free, available on eligible items |
Standard Shipping (US to US by Item) | 5–10 business days | $6.50 for the first item, $3.00 each additional |
Standard Shipping (From US Warehouse by Weight) | 3–7 business days | Starts at $6.50, increasing by $2 for every additional 4 oz (0.25 lb) up to 1 lb, then by $4 for each additional pound beyond 1 lb. |
Extended Delivery (Ships from Overseas Warehouse) | 10–15 business days | $14.50 for the first item, $4.00 each additional |
Shipping costs vary by product weight, quantity and origin. Exact rates and delivery estimates are displayed on each product page and confirmed during checkout.
Free Shipping
We offer free standard shipping on select products or during promotional periods. Availability of free shipping will be displayed on the product page and at checkout.
Carriers
We primarily use USPS and UPS for U.S. deliveries. Items shipped from international warehouses may be handled by partner carriers depending on the country of origin.
Import Duties & Taxes
All import duties and taxes for goods imported into the United States are included in the product price. There are no hidden fees or additional charges at checkout.
Tracking & Notifications
Every order is fully trackable. You will receive a tracking number via email once your order ships. If your order ships in multiple packages, each package will have its own tracking number. If you don’t receive a shipping confirmation immediately, your order is still being processed and will arrive within the estimated timeframe shown at checkout.
You can track your shipment anytime using the Track Your Order page on our website.
Order Changes & Cancellations
If you need to modify or cancel an order, please contact our customer support team as soon as possible. Orders can only be canceled before they ship. Once shipped, cancellations are not possible, but you may request a return after the item is delivered.
Contact: support@ibspot.com
Item Not Received
If your tracking number shows “Delivered” but you haven’t received your package:
- Check with your local USPS or UPS office.
- Confirm that the shipping address provided was correct.
- If the issue remains unresolved, contact support@ibspot.com for assistance.
Damaged or Lost Parcels
If your package arrives damaged or fails to arrive, please contact us immediately. For deliveries to P.O. boxes, ibspot is not responsible for damage caused by weather, temperature, or theft.
Customer Support
For any questions about shipping, tracking, or delivery, our customer support team is here to help.
Email: support@ibspot.com
We’re always happy to help.
Please read our policy carefully before making a purchase.
We aim to ensure every customer has a smooth and transparent experience with ibspot.com.
Order Cancellation Policy
Customers may request to cancel an order before it has been shipped.
Once the package has been shipped, cancellations are no longer possible; however, you may still request a return after receiving your order.
How to Request a Cancellation
You can contact us through:
-
Email: support@ibspot.com
-
Contact Form: Submit a request through our Contact Us page
Please submit your cancellation request as soon as possible after placing the order to allow us to process it before shipment.
Return Policy
We accept returns for most items within 30 days of delivery for a full refund.
To be eligible for a return:
-
The item must be unused, in the same condition as received, and in its original packaging.
-
A tracking number must be provided to confirm the return shipment.
Non-Returnable Items
Certain products cannot be returned, including:
-
Perishable goods (for example, food, flowers, newspapers, magazines)
-
Intimate or sanitary goods
-
Hazardous materials or flammable liquids/gases
-
Gift cards
-
Downloadable software
-
Some health and personal care items
Partial Refunds (If Applicable)
Partial refunds may be granted in specific situations, such as:
-
Books with obvious signs of use
-
Opened CDs, DVDs, software, or vinyl records
-
Items not in their original condition, damaged, or missing parts not due to our error
-
Items returned more than 30 days after delivery
How to Return an Item
To initiate a return, please contact us at support@ibspot.com with your order number and details about the product you wish to return.
Our team will provide you with return instructions and a prepaid return label.
Shipping Cost for Returns
Please contact us before returning any item.
We will provide a free return shipping label.
If a return is sent back without prior contact or without our provided label, we cannot be held responsible for return shipping costs.
For items valued over $75, we recommend using a trackable shipping service or purchasing shipping insurance.
We cannot guarantee that we will receive your returned item if shipped independently.
Refund Processing
Once your return is received and inspected:
-
In-store returns are refunded to the original form of payment or issued as a gift card.
-
Mail-in returns using our prepaid label are refunded to the original payment method within 3–5 business days after we receive your return.
Please allow:
-
5–7 business days for the return to reach our Returns Center.
-
An additional 3–10 business days for your bank to post the refund to your account.
Damages, Issues & Claims
Please inspect your order immediately upon receipt.
If you receive a defective, damaged, or incorrect item, contact us right away at support@ibspot.com.
We’ll evaluate the issue promptly and make it right.
Product Claims
Before purchasing, please review product details carefully.
If there is a problem with your order upon arrival, visit our Support Center or contact us directly to arrange return shipping or replacement.
Exchanges
We do not process direct exchanges.
The fastest way to get what you need is to return the original item and place a new order once your return is accepted.
Return Address
IBSPOT Return Center
15 Sawmill Ln
Dover Plains, NY 12522
United States
Customer Support
Our support team is available 24/7 to assist with cancellations, returns, or general inquiries.
Email: support@ibspot.com
Contact Form: Contact Us page
Oops!
Sorry, it looks like some products are not available in selected quantity.