Circuit Sphere 150

 
The Circuit Sphere 150 fuses function, form and style together to create an unparalleled, performance enhancing and confidence inspiring shift knob.

The ergonomically designed and textured sphere grip was designed for overhand shifting. The sphere grip features a flattened top that nestles into the palm of your hand and allows your fingers to wrap over the sphere for a firm shifting grip.

The stainless steel handle is appropriately weighted to remain delicate on your shifter linkage assembly and to prevent the numb feeling commonly found when the weight is set too high in the grip.

The 150mm height reduces your hand’s travel distance and time between shifts while increasing your mechanical leverage and reducing the effort required for each shift throw. The shift knob was designed to reduce fatigue during repetitive lateral arm and shoulder movement between the steering wheel and shift knob.





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Availability: In stock

As low as: $185.00

Price as configured: $0.00

Availability: In stock

As low as: $185.00

Price as configured: $0.00

Handle 150
Sphere Grip (Backordered)
M10x1.5mm Adapter (TA)
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Price as configured: $0.00

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CIRCUIT SPHERE 150 \

The Circuit Sphere spawned from the idea of creating a functional, well designed and aesthetically pleasing shift knob intended for competition driving on the track or street. The marketplace is littered with competition shift knobs which lack engineering, testing and refinement to provide the best option to enthusiasts. We knew we could provide what the real competition driver is looking for so we set out to create a competition shift knob that delivers unparalleled performance and features compared to anything else on the market.

FEATURES

COLLECTION |  Circuit Series


PROFILE |  Tall Sphere Profile


OPTIONS |  Black, Blue and Red Rings


FINISH |  Brush Finished Handle, Satin Anodized Ring and Bead Blasted Grip


MATERIAL |  303 Stainless Steel Handle, 6061 Billet Aluminum Ring and Delrin Grip



SPECS

DIAMETER |  2 in - 51 mm


HEIGHT |  5.9 in - 150 mm


WEIGHT |  1.2 lbs - 544 grams


COUNTERBORED |  For Reverse Lockouts and Shift Boot Retainer





FORM + STYLE

Besides the steering wheel, the shift knob is the most driver interactive interior accessory but can have the least amount of integrated design. The Circuit Sphere flips that script and features a grip that has pure functionality integrated with visually stunning design language. The delrin grip has a sphere profile with a flattened top that allows your fingers to wrap over the sphere for a confident grip. The bead blasted texture enhances the grip, all while remaining cool to the touch. We designed an intentional tangent line around the grip which provides a subtle contour to unite your hand to the grip faster and easier. The final touch is a contrast cut Raceseng icon which visually pops against the satin finish of the delrin grip.



SHIFTING LEVERAGE

The 150mm height increases your mechanical leverage and reduces the effort required to make those quick shifts while on track or the street.



WHEEL TO KNOB

By decreasing the distance between the steering wheel and shift knob, you can to keep your hands on the wheel more and reduce the time spent locating the shift knob.

Each car has a different height relationship between the center console and the steering wheel. We suggest keeping the top of the shift knob between the steering wheel’s 4 or 5 o’clock position.



SHIFTING POSITIONS

The Sphere Grip was designed for an overhand shifting format. The flattened top nestles into the palm of your hand and allows your fingers to wrap over the sphere to help dictate directional control of the shift knob. The grip was intentionally designed for the best possible ergonomic shape in order to allow the most confidence-inspiring and controlled shift throw.

CONSTRUCTION



HANDLE

Machined from 303 stainless steel for its high weight ratio and brush finished by hand, the handle is the solid foundation of the shift knob.

.
GRIP

We utilize advanced manufacturing techniques to create an ergonomic and visually stunning sphere from black delrin which has been bead blasted for a textured surface and remains cool to the touch.

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RING

The satin anodized and laser engraved billet aluminum ring is the finishing touch and a mark of Raceseng’s design and quality.



INTERCHANGEABLE

We designed our Circuit Series to be modular and have the flexibility of interchanging all available components. Individual Circuit Series parts can be purchased in our Component Shop to custom tailor the shift knob to you your needs and preferences.





CIRCUIT TOOL

The Circuit Tool allows you to change the handle and grips with ease. Simply slide the Circuit Tool into the slots in the bottom of the handle. Hold the tool with one hand and twist the grip off with the other. If extra stability is required, put the Circuit Tool in a vice and repeat the process.





HOW DOES IT FIT MY CAR?

We take fitment seriously. The shift knob comes with a precision cnc machined adapter that will mount the shift knob on your car's shifter arm. The adapter threads onto your cars shifter arm, then the shift knob threads onto the adapter. The shift knob's orientation is adjusted with ease by the flat head screw in the top of the adapter.



REVERSE LOCKOUT FITMENT

We strive to make our products fit as good as they look. The Circuit Sphere is compatible on cars with a reverse lockout. We designed a 23mm reverse lockout opening into the bottom of the handle.



NO REVERSE LOCKOUT FITMENT

The Circuit Sphere is compatible on cars without a reverse lockout. Our optional Shift Boot Retainer is required to attach the shift boot to the shift knob.



NO SAGGY SHIFT BOOT

The optional shift boot retainer keeps your shift boot securely retained to the bottom of your shift knob. Simply attach your shift boot to the retainer with the supplied zip tie and slide the boot retainer into the bottom of the shift knob.

The shift boot retainer is not required if you have a car with a reverse lockout.



WHAT'S IN THE BOX?

The Circuit Sphere 150 comes fully assembled and includes the threaded shifter arm adapter for your car. The Circuit Tool and Shift Boot Retainer are sold separately.

Ring
Handle 150
Sphere Grip
Threaded Shifter Arm Adapter



DESIGN DRIVEN

We believe in the power of the design process to create incredible products. Every shift knob start it's life as an idea that is translated into countless ideation sketches where form and details evolve. We take those sketches and further develop them in solid modeling software to define the form and ergonomics of the shift knob. The goal of this process is to perfect the balance between form and function to create an unparallelled product and brand experience.




CRAFTED BY US

For the integrity and craftsmanship of our products, we do our manufacturing in house. We are proud to get our hands dirty crafting the very products we create.


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