SKU: 8896565541

Works Bell Rapfix Racing Quick Release Adapter (Weld Type)

Sale price$207.00 Regular price$230.00
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Description

Works Bell Rapfix Racing Quick Release Adapter (Weld Type)Works Bell is Japan's premier interior performance company, well known for their Rapfix series of quick releases. The Rapfix Racing uses a patented ball locking design which will not come off during driving but allows for quick and easy removal. No play whatsoever, this is the ORIGINAL! The piece is a cold forged aluminum body, which is track tested and proven by the top Japanese race drivers. Makes it easier to get in and out of your car, and also

Works Bell is Japan's premier interior performance company, well known for their Rapfix series of quick releases. The Rapfix Racing uses a patented ball locking design which will not come off during driving but allows for quick and easy removal. No play whatsoever, this is the ORIGINAL! The piece is a cold forged aluminum body, which is track tested and proven by the top Japanese race drivers. Makes it easier to get in and out of your car, and also provides added security when parked.

This quick release will only bolt to 3 bolt patterned wheels and welded on hub shafts. This is NOT a hub, welding is required in order to use this. This is meant for race applications and experienced experts only.

The height is 2.5" tall, so in some cases it may place the wheel to close to the driver. In cases as such, you may consider calculating distance before welding from the distance between the driver and steering wheel.

Mechanics
Eight holes grooved in the plug side match the delicate steel balls used in the bearing. This provides a firm lock for both radial and lateral movement. The steel balls are released into the Â"free” position when the sleeve is pulled, then the socket can be detached from the plug. The sleeve section, once pulled, is locked. Once remounted onto the plug section, the sleeve automatically locks back into position.

Characteristics
When reattaching a separated Rapfix unit back onto it's hub, the position of the wheel does not matter due to the fact that the Rapfix will only lock back into place in the same position in which it was disconnected. Other quick release mechanisms require the wheel to be positioned in a specific location before reattaching the wheel. Furthermore, Works Bell's unique technology ensures that there is no shakiness or play because the steel balls keep constant and consistent pressure on the plug at any time. Therefore, it plays a big part in the driver's severe steering wheel operation. In addition, in order to establish the reliability of Rapfix Racing in a race, a new mechanics, Cam Lock, whick certainly locks the radial loads by combining the plug and the socket, is adopted. Therefore, security is guaranteed by putting the Cam Lock System together with the Ball Lock System.

Specifications
It is developed especially for formula cars. Chromium molybdenum steel SCM435 is used for the plug in order to weld the steering shaft easily; SUS420 is used for the liner in order to realize the lightweight and high-strength of sleeve. Moreover, the socket made byextra super-duralumin (A7075T6) and special plating fulfills the endurance. Assuming the hard use of the plug top, protective cap is installed. It is possible to change the damage protective cap to a new one.

Strength
Rapfix Racing cleared the NAPAC standard (a standard for after market products in Japan). A screwing test was done to check the operation of steering wheel to radial power. There was not any change in the shape after being pounded by dead loads of 29.7kg.m (291N.m). Moreover, there was not any change in the shape after a bending test of dead loads of 19.8kg.m (194N.m) in order to examine the effect when a driver impacts the steering wheel in an accident.

According to the results of these tests, although the bending test and screwing test based on regulation loads caused the permanent transformation and the shakiness increased, the product is still possible to be detached and attached and it is not broken. Therefore, these tests prove that the steering wheel can still be operated when large loads act. According to these results, Rapfix Racing has the same or more strength than the spline style Quick Release Hub of other companies.

Works Bell has also tested that how much can be released when the plug and socket are pulled strongly. They were not destroyed by 3754kg(36.8KN). The test was ended when the bolt, which is fixed to the steering wheel, was destroyed. The quick release function can be still operated. Therefore, it is confirmed that Rapfix Racing could endure the pull power of 68G because the standard weight of a driver according to Japan Safety Standard is 55kg. We did 10,000 times repeated attachment and detachment tests for testing the endurance. We proved that there is no broken and it is still possible to drive, attach and detach, although the shakiness increased.

OPTIONAL: If you would like to use a standard 6 hole PCD for the quick release, Works Bell offers an adapter which will allow you to use any Sparco, Momo, Personal, Nardi or same P.C.D. steering wheel. Select the option above if desired.

Electric Contact Kit: Used for weld type only. 12 electric contacts can be added for weld type by installing this kit. The contact part can be released together with the steering wheel.

NOTE: Torque spec is 30N - m (23 ft/lbs)

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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  • Delivery to the USA:
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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: 8896565541

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4.4 ★★★★★
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A
Amazon Customer
Alexandria, US
★★★★★ 5
Great boys slim fit suit for weddings, church, or special events
Color: Medium Grey, Size: 12
Great kids suit. Comes with a jacket, pants, and tie. Does not have a shirt. Fits as expected. Classic cut on the lapels. Great quality materials. Well made pants and jacket. The color is consistent without any fade or dark spots that can happen with lower quality fabrics. Looks great on. My son loves it. Says it is not restrictive, he can move easily in it. Highly recommend for church, special events, weddings, etc.
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Reviewed in the United States on October 22, 2025
M
Mommynificent
Charlottesville, US
★★★★★ 5
Nice high-quality, light weight suit for a tween!
Color: Navy Blue, Size: 10
This is such an attractive suit for a tween boy! My son loves dressing up, and this is his new favorite suit. He really likes the double-breasted style and the light weight of the fabric so that it isn't too hot. The tie that came with it gives major Harry Potter vibes which we weren't expecting, but he has lots of other ties that he also enjoys pairing with it. The size seems right, and it fits him well. He says it is very comfortable. I'm happy with the quality and the navy color.
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Reviewed in the United States on October 14, 2025
A
A. Beauto
Port Orchard, US
★★★★★ 5
Stylish and great value!
Color: Medium Grey, Size: 14
This grey suit was a great find for a school ceremony and will definitely be used again. The neutral color makes it easy to pair with different shirts and ties, and it has a modern, clean-cut look. The jacket and pants fit nicely after a quick press, and the quality was better than I expected for the price. It lost a star only because the waist on the pants needed a slight adjustment, but overall, we’re very happy with it!
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Reviewed in the United States on October 10, 2025
N
N. Hale
Houston, US
★★★★★ 3
Runs big, and fabric may not be same color as picture
Color: Medium Grey, Size: 16, Color: Medium Grey, Size: 16
This suit was a good find for us, as we usually dress up for church, and my 13 yo son often wears suits. He normally wears a size 16, so that’s what we ordered, and in dark charcoal gray. The suit we got was a light, heathered gray that didn’t look much like the one in the picture. It was very wrinkly and thin, and a little scratchy. Also, the sleeves were way too long and the torso cut of the jacket was pretty wide. The pants were very large in the waist, but fit him decently in the length (he’s 5’4” and weighs 90 lbs). Overall the suit looked like it was drowning him, so I would order a size down unless you have a larger child/teen. Because of the ill fit, I haven’t had the chance to see what the suit looks like on him as it’s supposed to, but I guess I’ll return it or wait a year or two until he fills it out a bit more. Not overly impressed with the quality, so I’m not sure I’d pay $55 for this one again.
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Reviewed in the United States on October 20, 2025
A
Amy
Waukegan, US
★★★★★ 5
Adorable, Complete Set—Great for Special Occasions
Color: Beige, Size: 12, Color: Beige, Size: 12
This suit set is such a great find! It comes with everything you need—jacket, pants, shirt, tie, and bow tie—which makes getting a dressed-up look so easy. It's excellent quality for a suit in this price range. The linen fabric gives it a nice, lightweight feel and a polished look that works well for both formal and semi-casual events. My son looked adorable in it, and it was perfect for the spring wedding we attended. What I love: Complete 5-piece set—no need to buy extras Lightweight and comfortable material Classic, stylish look with nice details (lapel, pockets, etc.) Adjustable waistband is super helpful for fit Versatile for weddings, holidays, and other events Fit was true to size based on the chart, but I agree with the recommendation—if your child is between sizes or growing quickly, sizing up is a good idea. I sized up with the hopes that he can wear it again for another event because it looks fantastic! Overall, a really cute and practical suit set that looks great without being uncomfortable. Perfect for any special event
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Reviewed in the United States on April 22, 2026

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