HPI A178 Ball B2 7.8MM

( Brand: Hpi ), ( Manufacturer Part Number: A178 ), ( Part Type: Ball )

Review HPI B2 #a178 Ball 7.8mm

Introducing the HPI A178 B2 Ballbearings, a must-have accessory for any RC hobbyist or enthusiast who values superior performance and durability. These high-quality ballbearings, with a diameter of 7.8mm, are specifically designed to fit the HPI A178 drivetrain and provide optimal power transfer and efficiency for your RC vehicle.

Each ballbearing in this set is meticulously manufactured using premium steel alloys, ensuring exceptional strength and longevity. The inner and outer races are precision machined to ensure a perfect fit, providing minimal play and maximizing the contact area between the ball and races for enhanced durability.

These ballbearings feature a double-row design, which allows for increased contact area between the balls and races, resulting in reduced friction and improved precision. The high-quality steel balls are carefully selected for uniform size and shape, ensuring consistent rolling action and minimizing unwanted vibrations.

The HPI A178 B2 Ballbearings are also designed with easy maintenance in mind. The shielded design protects the balls from contaminants and debris, but still allows for easy removal for cleaning or replacement when needed. The shields are securely held in place by a retainer, preventing them from coming loose during use.

Overall, the HPI A178 B2 Ballbearings are an essential upgrade for any RC vehicle, delivering improved performance, efficiency, and durability. Whether you're racing against the clock or simply enjoying some off-road fun, these premium ballbearings will help ensure that your RC experience is smooth, efficient, and enjoyable.

The HPI A178B2 Ballifferro 7.8mm is a popular RC car balloon tire model from HPI Racing. Here are some pros and cons that might help you in deciding whether to buy this car:

1. Durability: The HPI A178B2 is known for its durability and can handle rough terrains and collisions without getting easily damaged.

2. Easy to use: This car is suitable for beginners due to its easy-to-use features, such as a 2.4GHz radio system, adjustable suspension, and a waterproof electronic speed control.

3. Powerful motor: The car comes with a powerful 27T 540-size motor that provides enough power to reach impressive speeds.

4. Versatile: The HPI A178B2 can be used both on-road and off-road, making it a versatile choice for various driving conditions.

1. Long charging time: The battery life of the HPI A178B2 is relatively short, and it takes a long time to charge the batteries fully.

2. Limited upgrades: While the car is great for beginners, it may not offer enough room for advanced upgrades for more experienced RC car enthusiasts.

3. Tire wear: The balloon tires wear out quickly and may require frequent replacement, which can be an additional cost.

The HPI A178B2 Ballifferro 7.8mm is an excellent choice for beginners looking for a durable and versatile RC car that can handle various driving conditions. Its easy-to-use features and powerful motor make it an enjoyable experience for those new to RC car hobby. However, its short battery life and limited upgrades may be a drawback for more experienced RC car enthusiasts.

If you're a beginner looking for a durable and versatile RC car that's easy to use, the HPI A178B2 Ballifferro 7.8mm is an excellent choice. However, if you're an experienced RC car enthusiast looking for advanced upgrades and longer battery life, you may want to consider other models that offer more room for customization.

Details:

B2 HPI #A178 BALL 7.8mm. Shipped with USPS Ground Advantage. Condition is New.

part #: a178 prices

• $10.67-$32.11

specifications rcparta:

• brand: Hpi
• mpn: A178
• part type: Ball

returns rcparta:

• policy: No Returns

seller rcparta:

• city: Grand Island, New York
• # reviews: 4571
• rating: 99.7%

payments rcparta:

• credit card: Mastercard
• other
• wallet: Paypal

shipping rcparta:

• class: Standard
• carrier: USPS
• type: Calculated
• cost: $0.00
• service: USPS Ground Advantage
• transit: 4-8 Days

general rcparta:

• condition: New
• Radio Control Control Line > RC model Vehicle Parts Accs > Other RC Parts Accs

offer rcparta:

• options: Ship-to-home
• availability: In Stock
• quantity: 1
• sold: 0
• started: November 16, 2025

Hpi A178 Is Similar To:

• Hpi 72450 72450 Ball Diff Set For Micro Rs4 Nice Used With Bearings And New Spur Gear (26.3% similar) Hpi #72450 ball diff set for micro RS4, nice used w/bearings and new spur gear, like new condition, with gear...(October 11th, 2024)
• Hpi B041 Racing Ball Bearing Set For Nitro Rs4 And Mini New Nos Vintage (24.2% similar) Hpi racing B041 ball bearing set for nitro RS4 mini new nos vintage, the part is new and sealed...(December 16th, 2024)
• Hpi 1668 Nitro Star Engine Full Starter Assembly Set Less One Way Ball Bearing (28.3% similar) Hpi nitro star engine full starter assembly set less one way ball bearing 1668 used in good condition...(March 29th, 2025)
• Hpi Z126 Rc 4-40 Ball Ends Aluminum Silver 4 (41.7% similar) Lease read the ad completely prior to purchase.: new condition contents, packaging may show wear, or differ from photo.ave an issue...(September 24th, 2025)
• Dynamite Dyn3310t Dyn3210 5mmx8mm Unflanged Ball Bearings Losi Associated Hpi Rc Nos (16.1% similar) Please feel free to message me. Higher speeds, better handling, less maintenance. 2 nos dynamite 5 x 8MM unfledged bearing...(December 12th, 2025)
• Hpi 87048 Racing Ball Diff Maintenance Set For Sprint 86040 (34.5% similar) With a multi-color design and suitable for users aged 17 years up, this maintenance set from Hpi includes all the necessary components to keep your ball diff in top condition. The Hpi racing 87048 ball diff maintenance set is specifically designed for the sprint 86040 model, making it a...(January 20th, 2026)
• Hpi 102599 Ball Bearing 6x11x4mm Mk294 4 Pieces (37.3% similar) With four pieces included in the set, hobbyists can easily replace worn-out or damaged bearings to keep their vehicles running smoothly. Originating from china, these bearings are essential components for ensuring smooth and precise operation of RC model vehicles...(February 9th, 2026)
• Hpi 100328 Shock Piston And Ball Set Firestorm e-firestorm Model 100328 Box 5 (29.4% similar) Communication. I do my best to keep your shipping costs as low can. Hpi - shock piston and ball set firestorm/e-firestorm model # 100328 box shipping time. I team / items will not be shipped until the e c heck has cleared in my account. I want you to be confident in...(April 12th, 2026)