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  • Brush Research Flex-Hone For Rotors
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Brush Research Flex-Hone For Rotors

Available in multiple versions

18 customer reviews

Price: $28.79 - $55.88
Sale: Lower price available on select options
Product Specifications
Brand Name Brush Research
UNSPSC Code 31191500

Flex-Hone for Rotors utilizes the patented Flex-Hone technology to produce the ideal surface fini... Read full product description


Currently showing 1-3 of 3
Fits Hole Size Size Grit Type Overall Length Shank Diameter Max Rotational Speed Part Number Part Number
The Amazon Standard Item Number (ASIN) uniquely identifies the item in the Amazon catalog.
Price Quantity
   
Not Listed inches Medium Medium Not Listed inches Not Listed inches 0 rpm RMFH120Z25 B007INTE3Q
$33.32
+ $7.99 Shipping
Not Listed inches Fine Fine Not Listed inches Not Listed inches 0 rpm RMFH240Z25 B007INTEFY
$31.99
+ $5.82 Shipping
Not Listed inches Coarse Coarse Not Listed inches Not Listed inches 0 rpm RMFH60Z25 B007INTEMC
$34.51
+ $0.00 Shipping
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Product Features

  • Lowers harmonic vibrations
  • Produces a non-directional pattern
  • Ideal for new and re-turned rotors and flywheels
  • Flex-hone for rotors
  • Comes with coarse grit

Product Details

  • Shipping Information: View shipping rates and policies
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B007SOW0WC
  • Average Customer Review: 4.8 out of 5 stars  See all reviews (18 customer reviews)
  • Product Warranty: For warranty information about this product, please click here

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Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

1 of 1 people found the following review helpful By Humarockron on December 3, 2012
Shank Diameter: Not ListedPart Number: RMFH240Z25Max Rotational Speed: 0Size: FineFits Hole Size: Not Listed inchesGrit Type: FineOverall Length: Not Listed Verified Purchase
Changing brake pads? Rotors looking a little shiny? Here's the answer! Yes it's a bit time consuming but the results are well worth the effort. The front brakes of my R1100S were pulsing a bit and I initially suspected warped rotors. Hmm. Well, my first thought was just buy some new ones.. How much?!?!

That got me doing some research and discovering according to many rider/mechanics motorcycle rotors rarely if ever warp. One particularly vocal proponent of that view (who also was an R1100S owner) suggested this tool would not only cure the pulsing but would also create a fine cross-hatch pattern typical of new rotors and perfect for bedding-in new pads.

$400 for two new rotors or $35 for the tool? No brainer! Even if the pulsing wasn't cured..

Well, the short story is the pulsing was cured! And the rotors look like new!

Here's the fine print - it does take a fair amount of time.

The outside rotor faces are easy, just raise the front wheel so it can rotate easily, give it a spin and then keep it spinning by applying just the right amount of pressure with the spinning hone. (turns out the correct amount of pressure for optimal honing is the same amount of pressure required to keep the wheel spinning)

The inside faces require removal of the wheel, flipping the rotors over (or installing them on the opposite sides) and then re-installation of the wheel to perform the honing. If your bike has directional rotors (like mine does) when you're done honing you have to repeat the wheel removal, disk switch/flip and re-installation so the rotors are correctly oriented.

All told it was probably a 2 hour process for me. $180 an hour? I'll take that any day!
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1 of 1 people found the following review helpful By B. Pilibosian on May 6, 2014
Shank Diameter: Not ListedPart Number: RMFH60Z25Max Rotational Speed: 0Size: CoarseFits Hole Size: Not Listed inchesGrit Type: CoarseOverall Length: Not Listed
I PURCHASED ONE OF THESE FLEX HONES OVER A YEAR AGO FOR MY AUTO REPAIR SHOP. WE USE IT AFTER MACHINING A ROTOR TO PRODUCE A NON DIRECTIONAL FINISH. IT WORKS REALLY WELL. IT IS FINALLY WEARING OUT, SO I'M ORDERING ANOTHER. I CAN'T GIVE AN ACCURATE NUMBER OF ROTORS WE'VE USED THIS ON BUT IT'S IN THE HUNDREDS - AT LEAST! WE USE IT ON EVERY BRAKE ROTOR WE TURN. I'VE SEEN REVIEWS SAYING THEY COME APART IF YOU HAVE A DEEP GROOVE OR A LIP ON YOUR ROTOR.....THEY AREN'T DESIGNED FOR USE ON AN UNEVEN SURFACE. THE GROOVE OR LIP NEEDS TO BE REMOVED BY MACHINING FIRST (OR THE ROTOR MAY ACTUALLY NEED TO BE REPLACED AT THAT POINT) BUT WHEN USED CORRECTLY I CAN ASSURE YOU THEY WORK WELL AND LAST A LONG TIME.
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1 of 1 people found the following review helpful By Ronald W. Hansen on September 8, 2014
Shank Diameter: Not ListedPart Number: RMFH120Z25Max Rotational Speed: 0Size: MediumFits Hole Size: Not Listed inchesGrit Type: MediumOverall Length: Not Listed Verified Purchase
Helped my 1997 F350 quite a bit. The calipers and pads are a rusty disgusting mess, new pads to come, but in the mean time I chucked this tool in the drill and did both front rotors on the truck. The truck has never had the rotors turned or been fooled with at all in nearly 20yrs. This went real smoothly, and in a few minutes per rotor I was deglazed and the brakes are far improved. Once I replace the worn out rusted pads with new, I suspect brakes will be even better. Good tool. I had no problems at all.
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1 of 1 people found the following review helpful By ROBINHOOD on October 2, 2013
Shank Diameter: Not ListedPart Number: RMFH120Z25Max Rotational Speed: 0Size: MediumFits Hole Size: Not Listed inchesGrit Type: MediumOverall Length: Not Listed
It's expensive! If you use this on a rotor that the pads have worn a lip into or the abrasive balls hit an adjoining part, it tears the balls off the tool. So far I only get 1 or 2 uses out of these (medium) and when I called the company they said to return it to the place of purchase. Too expensive to have to replace it so soon. If your rotors are smooth or are off the vehicle it should work fine.
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Shank Diameter: Not ListedPart Number: RMFH120Z25Max Rotational Speed: 0Size: MediumFits Hole Size: Not Listed inchesGrit Type: MediumOverall Length: Not Listed Verified Purchase
This abrasive brush tool does an excellent job putting an OEM finish on brake rotors. I leave the rotor chucked on the arbor in the lathe still running after final turning using the carbide lathe bits and then use the brush in a variable speed, reversible drill for about 15 to 20 seconds on each side. Don’t press hard and don’t go fast. If your drill is reversible, you can run it in the opposite direction and brush the rotor again to give it a truly non-directional finish. After using it on several jobs, I can absolutely say that it was definitely worth the money to me.
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By J. F. Vogel on September 29, 2013
Shank Diameter: Not ListedPart Number: RMFH240Z25Max Rotational Speed: 0Size: FineFits Hole Size: Not Listed inchesGrit Type: FineOverall Length: Not Listed Verified Purchase
I had put new rotors on my Nissan truck along with new pads and after a 1k miles my stopping power was still not where I thought it should be. I decided to try this rotor hone to clean up the rotors again and it worked well. Nice swirls very close to the what the rotors had originally. Not sure what happened on the new parts install but the pedal is much better now. Nice tool to have around if doing brake work yourself.
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By Daniel Holmes on March 10, 2014
Shank Diameter: Not ListedPart Number: RMFH60Z25Max Rotational Speed: 0Size: CoarseFits Hole Size: Not Listed inchesGrit Type: CoarseOverall Length: Not Listed Verified Purchase
I purchased this sometime ago and finally used it , I had a really rusty rotor that I am attempting to restore and this amazingly took a layer of rust off that was really heavy , furthermore it leaves a wonderful swirl pattern and the disc is not damaged or deeply grooved. I was really surprised it did as well as it did as effortlessly as it performed, money well spent!
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By RayZ on June 17, 2014
Shank Diameter: Not ListedPart Number: RMFH120Z25Max Rotational Speed: 0Size: MediumFits Hole Size: Not Listed inchesGrit Type: MediumOverall Length: Not Listed Verified Purchase
The flex-hone worked on a flat rotor but did not work on a slotted rotor. For a DIY guy in order to use it properly you need to remove the rotors from the car which may be more work than actually using the honer.
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