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Shimano XT BR-M8100 DISC BRAKE. $87 at Jenson

$87.00
$169.99
socal1
+19 Deal Score
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Jenson [jensonusa.com] has the Shimano XT BR-M8100 Mountain Bike Disc Brake on sale for $87 when you use Promo Code SAVE20 at checkout. Price is per wheel. You'll need to order front and back if you want a set.


They also have the SHIMANO XT SM-RT86 6 BOLT ICE-TECH ROTOR [jensonusa.com] on sale. $40 for the 160mm size.
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Shimano XT BR-M8100 DISC BRAKE. $87 at Jenson
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Joined Oct 2010
L5: Journeyman
> bubble2 760 Posts
91 Reputation
03-26-2023 at 04:31 AM.
Pictures are of every brake except Shimano...
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Joined Jul 2009
L3: Novice
> bubble2 205 Posts
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03-26-2023 at 06:06 AM.
Code does not work because it's on full price items. It does not even apply to full price 4 piston XT.
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Joined Sep 2010
L4: Apprentice
> bubble2 328 Posts
38 Reputation
03-26-2023 at 07:21 AM.
Code does work, I just tried it. I am a bit surprised because usually you can't use discount codes on Shimano and it is on sale already as stated above. However, most want the 4 piston brakes these days…
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Joined Mar 2012
L2: Beginner
> bubble2 50 Posts
18 Reputation
03-26-2023 at 07:36 AM.
I got it to work with discounted products but it only applies to one item.
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Joined Mar 2013
L6: Expert
> bubble2 1,676 Posts
208 Reputation
03-26-2023 at 07:44 AM.
Quote from lovespicyfood :
Code does work, I just tried it. I am a bit surprised because usually you can't use discount codes on Shimano and it is on sale already as stated above. However, most want the 4 piston brakes these days…
why four? if you dont mind
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Joined Dec 2018
L1: Pro Bro
> bubble2 327 Posts
469 Reputation
03-26-2023 at 07:58 AM.
Quote from BondT :
why four? if you dont mind
Better braking power for DH riding.
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Joined May 2011
L5: Journeyman
> bubble2 509 Posts
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03-26-2023 at 01:43 PM.
Quote from rodskii :
I got it to work with discounted products but it only applies to one item.
Code looks like it is per cart. You can buy one at a time
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Joined Dec 2014
L10: Grand Master
> bubble2 6,802 Posts
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03-27-2023 at 12:08 AM.
I'm a bit dull when it comes to these - do I need to buy separate brake lines and whatever else bleeding entails or do they come already connected to the caliper and ready to just screw in and install?

Figured I would swap out the mechanical disc brakes that came with that Minnesota Fat Bike I just bought from The House liquidation sale.

Edit: I bought these, but already have buyers remorse... lol

According to this review: https://www.mbr.co.uk/reviews/dis...disc-brake they do have to be bleed and custom installed. That is perfectly fine... the problem is these apparently have an air contamination (my words) issue and will require consistent maintenance with a FULL rigorous bleed every so often.... sounds like a pain.

It finishes by saying they would just go with the 6100, which they point out uses the same pads, two piston assembly and roughly... the same damn brake.

Maybe someone with real world experience can chime in.
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Last edited by AkujunkanX March 27, 2023 at 12:28 AM.
Joined Feb 2017
L2: Beginner
> bubble2 47 Posts
66 Reputation
03-27-2023 at 05:49 AM.
Quote from AkujunkanX :
I'm a bit dull when it comes to these - do I need to buy separate brake lines and whatever else bleeding entails or do they come already connected to the caliper and ready to just screw in and install?

Figured I would swap out the mechanical disc brakes that came with that Minnesota Fat Bike I just bought from The House liquidation sale.

Edit: I bought these, but already have buyers remorse... lol

According to this review: https://www.mbr.co.uk/reviews/dis...disc-brake [mbr.co.uk] they do have to be bleed and custom installed. That is perfectly fine... the problem is these apparently have an air contamination (my words) issue and will require consistent maintenance with a FULL rigorous bleed every so often.... sounds like a pain.

It finishes by saying they would just go with the 6100, which they point out uses the same pads, two piston assembly and roughly... the same damn brake.

Maybe someone with real world experience can chime in.
If you purchased the ones in the OP's link and have external hose routing then you should be fine. I upgraded my '16 Stumpy with these several years ago and they came ready assembled and pre-bled.
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Joined Apr 2021
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> bubble2 4 Posts
10 Reputation
03-27-2023 at 06:52 AM.
Thanks op.
My xtr front brake was leaking oil from the brake housing , perfect time for replacement.
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Joined Jul 2017
L2: Beginner
> bubble2 94 Posts
22 Reputation
03-27-2023 at 07:46 AM.
Good find. I just had to replace a lever on my 6 yr old bike. Better to buy this whole set up. I have 4 sets currently between mine and kids bike. Very tempting to grab another set for my next build.
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