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Hayes Disc Brake Adapter

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4.6 out of 5 (32 ratings)
32 customer reviews



  • Choose the correct adapter for your frame or fork and the size of Hayes brake rotor you want to use.
  • Fits 74mm Calipers to various frame and fork mounts
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Portland, Oregon     Ogden, Utah

V6 - Front Int Std to 6"

Item #:179-412 
Mfg#:98-15068 
UPC:844171000410 
EAN:844171000410 
Other #s:
BR3950 
HY8811 
86219160 
BKPT7020 
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Oregon1 Monday81 Wednesday
Minnesota7 Monday 
New Mexico14 Monday 
Utah14 Monday 

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V6 - Rear Int Std to 6"

Item #:179-416 
Mfg#:98-15073 
UPC:844171000458 
EAN:844171000458 
Other #s:
BR3955 
HY8827 
86219350 
BKPT7021 
Available to ship DETAILS
Oregon6 Monday84 Wednesday
Minnesota10 Monday 
New Mexico17 Monday 
Utah15 Monday 

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Portland, OR6 Tomorrow84 Wednesday
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V6 - Front 20mm to 6" (No Tullio)

Item #:179-419 
Mfg#:98-15282 
UPC:844171000472 
EAN:844171000472 
Other #s:
BR3957 
HY8812 
86219170 
BKPT70190 
Available to ship DETAILS
Oregon1 Monday27 Wednesday
Minnesota6 Monday 
New Mexico12 Monday 
Utah0 Monday 

pickup_biking_man Available for pickup DETAILS
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Ogden, UT0 Today20 Wednesday
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$17.00

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V7 - Rear Int Std to 7"

Item #:179-18896 
Mfg#:98-18642 
UPC:844171001059 
EAN:844171001059 
Other #s:
BR3944 
HY8826 
86219351 
BKPT7036 
Available to ship DETAILS
Oregon0 Monday47 Wednesday
Minnesota10 Monday 
New Mexico11 Monday 
Utah7 Monday 

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V7 - Front Marzocchi 20mm to 7"

Item #:179-20403 
Mfg#:98-18641 
UPC:844171001042 
Other #s:
BR3943 
HY8818 
86219178 
BKPT70341 
Available to ship DETAILS
Oregon0 Monday72 Wednesday
Minnesota0 Monday 
New Mexico52 Monday 
Utah0 Monday 

pickup_biking_man Available for pickup DETAILS
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Ogden, UT0 Today72 Wednesday

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V7 - 74/7" adptr, IS-Fr/51mm (100mm QR)

Item #:179-20404 
Mfg#:98-18640 
UPC:844171001035 
EAN:844171001035 
Other #s:
BR3918 
HY8817 
86219177 
BKPT7034 
Available to ship DETAILS
Oregon0 Monday45 Wednesday
Minnesota7 Monday 
New Mexico2 Monday 
Utah10 Monday 

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Ogden, UT0 Today10 Tuesday
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36 Thursday
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V7 - 74/7" adapter, Post Mount

Item #:179-20405 
Mfg#:98-18639 
UPC:844171001028 
EAN:844171001028 
Other #s:
BR3919 
HY8819 
86219176 
BKPT7033 
Available to ship DETAILS
Oregon2 Monday83 Wednesday
Minnesota24 Monday 
New Mexico2 Monday 
Utah20 Monday 

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Portland, OR2 Tomorrow83 Wednesday
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34 Wednesday
58 Thursday
83 Friday

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V8 - Front Psylo , Jr to 8"

Item #:179-420 
Mfg#:98-15604 
UPC:844171000489 
EAN:844171000489 
Other #s:
BR3959 
HY8813 
86219185 
BKPT7030 
Available to ship DETAILS
Oregon0 Monday34 Wednesday
Minnesota4 Monday 
New Mexico9 Monday 
Utah10 Monday 

pickup_biking_man Available for pickup DETAILS
Portland, OR0 Tomorrow34 Wednesday
Ogden, UT0 Today10 Tuesday
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29 Wednesday
33 Thursday
34 Friday

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V8 - Rear Int Std to 8"

Item #:179-417 
Mfg#:98-15074 
UPC:844171000465 
EAN:844171000465 
Other #s:
BR3956 
HY8828 
86219355 
BKPT7022 
Available to ship DETAILS
Oregon0 Monday40 Wednesday
Minnesota7 Monday 
New Mexico2 Monday 
Utah22 Monday 

pickup_biking_man Available for pickup DETAILS
Portland, OR0 Tomorrow40 Wednesday
Ogden, UT0 Today22 Tuesday
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29 Wednesday
36 Thursday
40 Friday

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V8 - Front Post Mount 74mm to 8"

Item #:179-415 
Mfg#:98-15072 
UPC:844171000441 
EAN:844171000441 
Other #s:
BR3954 
HY8816 
86219180 
BKPT7032 
Available to ship DETAILS
Oregon1 Monday68 Wednesday
Minnesota6 Monday 
New Mexico30 Monday 
Utah14 Monday 

pickup_biking_man Available for pickup DETAILS
Portland, OR1 Tomorrow68 Wednesday
Ogden, UT0 Today14 Tuesday
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52 Wednesday
58 Thursday
68 Friday

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V8 - Front Boxxer to 8"

Item #:179-414 
Mfg#:98-15071 
UPC:844171000434 
EAN:844171000434 
Other #s:
BR3953 
HY8815 
86219175 
BKPT7018 
Available to ship DETAILS
Oregon0 Monday5 Wednesday
Minnesota3 Monday 
New Mexico1 Monday 
Utah0 Monday 

pickup_biking_man Available for pickup DETAILS
Portland, OR0 Tomorrow5 Wednesday
Ogden, UT0 Today2 Wednesday
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5 Thursday

$17.99

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V8 - Front 203mm 20mm IS to 74 Post

Item #:179-413 
Mfg#:98-15069 
UPC:844171000427 
EAN:844171000427 
Other #s:
BR3951 
HY8814 
86219165 
BKPT7019 
Available to ship DETAILS
Oregon33 Monday110 Wednesday
Minnesota8 Monday 
New Mexico7 Monday 
Utah15 Monday 

pickup_biking_man Available for pickup DETAILS
Portland, OR33 Tomorrow110 Wednesday
Ogden, UT0 Today15 Tuesday
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93 Wednesday
101 Thursday
110 Friday

$15.00

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Customer Ratings

Current Customer Rating


4.6 out of 5 (32 ratings)

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Customer Reviews

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works fine every time

they just fit and forget

Pros: easy to use

Cons: none

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: April 04, 2013
Reviewed by: david w.

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Bought this adapter so that my Stroker Trail brakes will work on a rigid fork with international mounts. I've been totally satisfied with this product so far. It has worked as advertised.

Pros: It works

Cons: None

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: February 13, 2013
Reviewed by: Paul P., Virginia

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Fits just right

Got the 180 mount for my stroker carbon brakes. It fit perfect on the frame and was simple to adjust with the caliper. A great value for the quality you get!

Pros: Perfect fit

Cons: None

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: October 15, 2012
Reviewed by: Ben M., Camas wa

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I used the adapter to mount a Hayes El Camino caliper to an I.S. fork, and it was very easy. The adapter came with screws. Install was a breeze. It was easy to get the caliper mounted properly and set up drag free.

Pros: It worked perfectly for my El Camino brake on an IS fork.

Cons: None.

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: January 20, 2012
Reviewed by: mark g., California

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Sturdy and precise

Simple and easy to install. Used instead of shimano adapter which was not available at time of purchase.

Pros: Precise position and solid interface.


Cons: Clunky looking compared to shimano adapter.


Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: November 07, 2011
Reviewed by: John B., Oregon

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Not much I can say, besides it did its job. Fit my brakes correctly, wasn't too heavy, reasonably priced. Easy install

Pros: Proper fit, wasnt too heavy, reasonably priced, easy install

Cons: None come to mind

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: July 15, 2011
Reviewed by: Andy S., MA

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Just works.

They fit well, the hold tight, they are not too bulky. They just work, like they should.

Pros: good fit, easy to install

Cons: bit expensive for a little bit of metal, but normal for adapters out there.

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: July 06, 2011
Reviewed by: 300lbsgorilla, Mid MO

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Approved, but expensive

These are interchangeable with other brands, including Shimano (in my limited experience), but they're still too expensive (Shimano's are horribly expensive). Work fine, and I trust them unlike some of the generic no-name adapters out there. One star off for expense.

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: July 04, 2011
Reviewed by: Paul D., Bay Area, CA

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Good function, but slightly bulky. This isn't an issue unless your a weight weenie.

Pros: Works well with good value.

Cons: Not as sleek and slim as the competition.

Would Buy Again: No
Would Recommend: No

Reviewed on: May 20, 2011
Reviewed by: knobby-tired, Oregon

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Perfect fit

I have the V7 adapter and it fits well on my Fox Float 140 RL. It has a post mount already, so the included adapter and longer bolts are all you need. You'll of course also need a bigger V7 rotor.

Pros: Fits perfectly and has a good finish

Cons: None

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: May 12, 2011
Reviewed by: Benjamin D., California

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Simple, easy to install and works

This works as expected, but you could probably do just as well with the Tektro version for a lot less.

Reviewed on: May 02, 2011
Reviewed by: Eric R., Washington

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Nicely machined adapter with loctite'd screws. installed it on my 02 specialized stumpy fsr pro and voila, hayes stroker on the bike.

Pros: idiot-proof installation

Cons: Little pricy for a piece of metal.

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: April 18, 2011
Reviewed by: kanekikapu, California

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Thanks Universal Cycles for saving my build!

In the process of swapping forks, I discovered that I needed an adapter to use my 8" rotor with a 6" post mount. Only problem is, NO ONE has this adapter! I checked every reputable shop in my area and even the ones who carried Hayes didn't have it. Lo and behold, I stumble upon Universal's massive selection of Hayes adapters! As with any adapter, any original part is unlikely to go wrong, and in my experience the adapter has held up perfectly. Came with extra screws that replaced my semi-stripped six year old ones, and has yet to fail on me. Only downside to the specific adapter I got was the price.

Pros: -Somewhat unique part (in my case) that few shops carry.
-Solid OEM part.

Cons: -Price (I would expect an adapter to be less than 17 bucks).

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: April 15, 2011
Reviewed by: Wade S., Washington

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Brake adapters!

Pros: Any size, anytime!

Cons: Spendy

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: March 10, 2011
Reviewed by: Joe K., Washington

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Great fit and easy to install,quality finish.

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: December 19, 2010
Reviewed by: Preston H., Nevada

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High quality, everything fits perfectly, makes it easy to change rotor sizes.

Pros: High quality, well designed, makes changing rotor sizes simple.

Cons: None

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: December 07, 2010
Reviewed by: Joseph S., New Jersey

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Adapter for Rock Shox

I used this adapter to change from a six inch rotor to an eight inch rotor on my Rock Shox fork. Installation was easy and alignment was perfect. Everything has held tight and remained true since initial set up. No complaints from me.

Pros: Makes converting to a larger rotor a snap

Cons: Only works with certain forks so make sure you get the right one

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: December 01, 2010
Reviewed by: Jeffery J., Illinois

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Its an adaptor. Order the right size and the right brand and it will work.

Pros: Hayes brakes won't work with other brands adaptors. This one works!

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: November 17, 2010
Reviewed by: James D., Colorado

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Adapts 74mm caliber to 51mm IS frame (rear brakes). Come with the 2 needed hex bolts, but without washers. I added washers & also applied more locktite during installation. Fits perfectly.

Pros: Perfect fit.

Cons: Hex bolts should come with washers (I know, small point).

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: November 17, 2010
Reviewed by: Scott, Laguna Beach

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worked as it should every thing lined up just fine. quality construction.

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: November 02, 2010
Reviewed by: Jason S., Iowa

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Works well.

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: November 01, 2010
Reviewed by: Jeff M., Tennessee

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Does what it is suppose to. Machined is nicer than some of the other brands.

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: October 20, 2010
Reviewed by: Mark O., Washington

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Good quality and very easy to install.

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: October 18, 2010
Reviewed by: jon s, Virginia

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This works as it was designed to. Fit properly. Had to change this when I swapped my Marzocchi 888 for a Boxxer fork. Why can't they standardize these things?

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: October 15, 2010
Reviewed by: Kenneth R., New York

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Nice to have for bigger rotors. Worked great.

Would Buy Again: Yes
Would Recommend: Yes

Reviewed on: October 02, 2010
Reviewed by: ARIC S., Washington

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