Kyosho 1/10 Ultima RB7.5 2WD Electric Racing Buggy Kit

Item No.: KYO-34305

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High-performance racing 2WD buggy
gets an update to make it even faster!

Kyosho's 1/10 scale EP buggy, which bears the name "Ultima", is a race model with a rich track record, including multiple world championship victories, and even today, the Ultima series has many variations, from entry-level to high-end.

The top model of the Ultima, the RB7, has been reborn as the RB7.5, with various parts updated! The RB7.5 is based on the RB7 and has many changes, with the oil dampers that support the front and rear suspension now being new big bore types, and X-shaped O-rings that ensure smooth operation and prevent oil leakage as standard. A new plastic protector has also been installed to protect the front damper stay from damage in the event of a fall.

The damper stays are also made of high-strength, lightweight carbon fiber to handle hard driving. The rear area also uses a new aluminum bulkhead and hub carrier, improving rigidity and expanding the range of setting changes. The body is based on the RB7, but a spoiler has been added to the rear of the cabin to optimize the aerodynamic characteristics. The aerodynamic performance has also been enhanced with the addition of a front wing and an improved rear wing, so don't miss it.

In addition to these, new parts have been adopted and existing optional parts are equipped as standard, making it a machine that can compete in today's top races while retaining the good points of the original. From dirt surfaces such as dirt and sand to the high-grip carpet surfaces that have become popular in recent years, the Ultima RB7.5 will meet the driver's expectations in all conditions

  • A 1/10 scale EP (electric) racing buggy with a low center of gravity designed to suit high-grip surfaces.
  • A new body with improved aerodynamic performance based on the conventional model is used. The body is included in the kit unpainted.
  • The front and rear suspensions are double wishbone type, which is well-known for its high road-following ability. It is also equipped with newly designed aluminum oil dampers.
  • A lightweight aluminum front shaft and a universal swing type rear shaft with excellent drive efficiency are standard equipment.
  • The turnbuckle type suspension upper rod, which allows for easy length adjustment, and the steering linkage rod are made of chrome molybdenum steel, which is highly crash-resistant.
  • The aluminum rear suspension holder allows the rear toe angle and tread to be changed by rearranging the bushes.
  • The laydown type gearbox is equipped with a spur gear cover. The gearbox type can also be changed by purchasing parts separately.
  • Equipped with a ball differential that is suitable for dirt driving and a slipper clutch that protects the gears from excessive load.
  • The balls for the differential are made of tungsten, which boasts high precision and durability.
  • The kit standard specifications are designed for dirt driving. With minor modifications it can also be tailored for high-grip carpeted surfaces.
  • Settings can be changed and tuned up using existing optional parts.

 

A rear 2WD off-road buggy with a midship layout that mounts the motor in front of the rear tires. The high-rigidity duralumin main chassis has been partially modified, but features such as a reliable lowered gearbox have been inherited from the Ultima RB7.

 

 

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Based on the aerodynamic RB7 body, the new body has been redesigned to improve efficiency. The rear wing has also been redesigned to increase its strength, generating strong and stable downforce.

 

 

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The front and rear shock stays have been changed from the RB7's resin to 4mm thick carbon fiber, significantly improving strength and rigidity. Resin protectors are also included as standard to prevent the shock stays from being damaged in the event of a fall and to protect carpeted or artificial turf surfaces.

 

 

technical-image-03

Newly designed aluminum oil shock. Big bore specification with 13mm diameter piston stabilizes the vehicle body during high speed driving and improves gap running performance. It also absorbs shocks when landing on jumps. Springs have also been renewed to a new model.

 

 

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Equipped with an aluminum steering crank and steering plate that achieves both smooth operation and high rigidity, steering response has also been improved. At the same time, the shape of the upper bulkhead has been revised to eliminate interference with the servo horn.

 

 

technical-image-05

A completely new design of aluminum rear hub carrier. The length of the upper rod can be changed by changing the thickness of the spacer, and the capacity of the ball bearings has also been increased. The height of the suspension pin can also be adjusted by replacing the plastic bushings.

 

 

technical-image-06

New rear bulkhead with separate upper rod mounting points. The aluminum upper rod mount improves suspension rigidity, and the suspension geometry can be adjusted by changing the rod mounting height.

 

 

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The mount for the driving battery is exclusively for short type LCG batteries. Weight distribution can be changed by moving it forward and backward. The battery can be attached and detached in a short time because it is fixed with a one-touch system that does not require tools.

 

 

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The front wing, previously an optional extra, is now standard. The addition of the front wing is effective as a setting part, as it allows you to adjust the car's posture in the air when jumping, and also changes the cornering characteristics.

 

 

technical-image-09

The addition of a center bulk support increases rigidity, improving traction when exiting corners.

What's in the Box:

  • Complete assembly kit
  • Clear body
  • Wing
  • Ball differential grease
  • Grease
  • Tools (1.5/2.0/2.5mm hex wrench, small cross wrench)
  • Instruction Manual - Digital Version Available Here

What you Need:

  • Transmitter/Receiver 
  • Servo 
  • ESC
  • Motor 
  • Pinion gear 
  • Tires
  • Tire inner
  • Battery 
  • Charger 
  • Paint for body painting

(KYO-34305)

SKU KYO-34305
Barcode # 4548565489800
Brand Kyosho

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