Group Buy #3: RB Performance Brakes 4-Piston Downsize Brake Kit For 17" Wheels Q2 2024 (OPEN)

Psifer

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RB Performance Brakes has recently released a 4-piston Brake Kit with 2-piece rotors capable of fitting within 17" wheels.

The rear caliper bracket needs to be replaced to a shorter piece, and the rotor size will be downsized to 355mm (from 375) also but OE calipers and ePB are retained so your rear brake system integrity is retained.

At the end you will essentially install a brake setup that is considered as an "upgrade" version of Raptor's stock brakes of 350/348mm.

Note: The rotors although are downsized from stock but they are 2mm thicker (front and rear) than OE with wider air gaps that can dissipate the heat quicker and much more efficiently than OE rotors. So you can expect a lighter & more efficient brake system than OE yet still fits under 17" wheels.

"Our caliper pistons are made of stainless steel (machined from a bar stock) which has much lower heat conductivity than carbon steel (OE).
The fix piston caliper is more efficient and can provide an instant pedal response (both inner & outer pads simultaneously) vs. OE floating piston which only acts on the inner pad, while outer pads move only upon the bracket closure (there is a lagging)."

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More information can be found at the link below:

Here are the options available:
  • Car Kit (Front & Rear)
    • Front Caliper Kit plus two-piece rotors for both the front and rear.
    • $3782.50 after the discount is applied.
Caliper Colors:
  • Red (Default) No Extra Cost
  • Blue - Price Adder(+$170 after the discount is applied)
  • Yellow - Price Adder(+$170 after the discount is applied)
  • Black - Price Adder(+$170 after the discount is applied)
  • Silver - Price Adder(+$170 after the discount is applied)
  • Custom Color Upon Special Request - Can provide a sample so they can try and match it as closely as possible - Price Adder.
    • Color sample can be sent to the customer for approval before processing.
Caliper Logo Option:
  • Yes (Standard RB Logo)
  • No Logo
Note From RB: "The shipping is calculated by our ordering system automatically; based on the contents weight, shipping method, and "ship to" address, so it's irrelevant to where you are located. eg if you select "store pickup" there will be no shipping charge."

With the release of the kit, Warren has provided us the opportunity to start a group buy to receive a bulk discount. Not only that, he made it super easy to where we are all allowed to place our orders separately so I do not need to handle any payment info, money, or physical orders.

Because the kit requires special tooling/modification, we need a minimum of 10 participants in a group buy to justify the effort of releasing a downsize brake kit for the TRX. Once we fill the group buy, I will reach out via PM for your email and then send the list off to RB Performance Brakes. Once the list is verified, each participant's account will be placed in a special user group on the RB site, granting them discounted prices.

Here is the current list of participants.
  1. Moabtj
  2. N/A
  3. N/A
  4. N/A
  5. N/A
  6. N/A
  7. N/A
  8. N/A
  9. N/A
  10. N/A
*Disclaimer: I am not affiliated with RB Performance Brakes. I am helping host this group buy to gain advantage of the bulk discount pricing.
 
Last edited:
Please visit the development story of the brake kit here:
 
Here are some preview pictures! on some Innov8 G500 17" rims
 

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