Shimano Deore XT BR-M8120 Disc Brake Set - 4 Piston - Thunder Mountain Bikes

Deore XT BR-M8120 Disc Brake - 4 Piston

SKU: IM8120JLFXNA100

Regular price $265.00 Sale price$179.99
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Shipping calculated at checkout.
Position (Caliper/Lever)
  • In stock, ready to ship
  • Backordered, shipping soon

🏷️   Not eligible for coupons or discounts.

  • Free shipping on most orders $59+

The Shimano Deore XT BR-M8120 disc brake set features the BL-M8100 brake lever paired with the BR-M8120 4-piston caliper. Designed to balance lightweight performance with powerful braking, the BL-M8100 lever offers precise modulation for confident control on every ride. The BR-M8120 caliper delivers consistent and dependable braking in all conditions, with its 4-piston design providing enhanced control and confidence, especially on demanding descents.

Deore XT M8120 Disc Brake Specs:

Front/Left

Model: Deore XT M8120
Model ID: BR-M8120-JKIT
Position: Front/Left (cannot be swapped)
Lever: Deore XT BL-M8100
Lever Mount: 22.2mm handlebar clamp, I-Spec EV Compatible
Caliper: Deore XT BR-M8120
# of Pistons: 4-Piston
Brake Pads: N04C Metal
Caliper Mount: Post mount
Brake Hose: SM-BH90-SBM, 1000mm

Front Brake is shipped pre-bled and includes the lever, caliper, brake hose (not installed), N04C metal pads and all fittings needed for the install.

Please reach out to us with any questions you may have about anything we sell. We want to make sure you get the right items the first time. Our lifelong riders at Thunder Mountain Bikes are knowledgeable and would love to talk to you!

Shipping

We currently offer both economy and expedited shipping options through FedEx and USPS.

Most orders totaling over $59 are eligible to ship for free via an economy ground option of our choice.

Due to larger box sizes, handlebars, and other oversized items, an additional shipping fee will be applied.

Most bikes ship free within the continental US. Bike shipping to AK, HI, or PR is available at an additional charge depending on the exact delivery location.

If you're in need of something super-quick, please contact us directly. We may be able to overnight your order with an additional fee, depending on your location.

RETURNS

Should there be an issue with the item you bought, or if you no longer need your purchase, we will be happy to set up a return.

Component & Gear Returns

Returns may be requested within sixty (60) days of the delivery date. All returned items must be received in new, unused, and uninstalled condition, with the original tags and labels attached and in the original packaging. We cannot accept returns on any items that have been installed or show wear of any kind.

Bike Returns

Returns or exchange requests for bikes must be requested by emailing us at sedona@thundermountainbikes.com within fifteen (15) days from the date of delivery. Bikes must be in un-ridden condition. Custom-built bikes may not be returned. Returned bikes incur a $200 restocking fee, and the customer is responsible for the return shipping costs.

Return Shipping

Customers may choose to use our provided flat-rate return shipping label at $9, or choose a carrier of their choice to handle their product return.

The $9 flat rate label will be deducted from the refund issued for the return. You can either print this label after requesting a return from the Order History section in your Account profile, or you can request that we email the label to you.

For all other return shipping methods, please email us at sedona@thundermountainbikes.com after submitting your return request so that we can confirm the shipping information you should use to return your item(s).

REFUNDS

We will process your return after receiving your returned item(s) and inspecting their condition. Please allow at least seven (7) days from the receipt of your item to process your refund. We will notify you by email when your return has been processed. All refunds will be returned to the original payment method. No store credit or other refund methods are available. 

EXCEPTIONS

If you receive defective or damaged products or if we sent you the wrong item(s), please contact us using the phone number or email below.

RETURN PROCESS

To request a return, please log in to your customer account by clicking the customer account icon Profile icon in the top right of any page or visit account.thundermountainbikes.com

1. In the Email field, enter your email address and click Continue.

2. In your email account, open the email sent from our store and copy the six-digit verification code included in the email.

3. Go back to the online store and enter a six-digit verification code to log in.

4. Find and click on the order you want to submit a return for.

5. If your order has more than one item, select only the items you want to return.

6. Select a return reason and add a note for the store if needed.

7. Click Request Return.

Once your return request is approved, you will receive an email with shipping instructions and a return shipping label.

QUESTIONS ABOUT RETURNS?

If you have any questions concerning our return policy, please contact us at:

(928) 282-1106   |   sedona@thundermountainbikes.com

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Customer Reviews

Based on 3 reviews
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D
David C. (Prescott, US)
Upgraded from single piston calipers to this dual piston....

... caliper brake set. After bedding in the pads, the stopping force is amazing. The difference is very noticeable. Not sure why I waited so long to make the switch.

M
Mand K. (Liberty Hill, US)
TMB never disappoint when it comes to Shimano parts

Thunder mountain bike is my go to store when it comes to Shimano parts. They have everything in stock and of course very fast shipping.

Deore XT 4 piston calibers absolutely must for any trail raider.

D
Deuce K. (Lexington, US)
Awesome

The Deore XT 4 Piston calipers are Awesome! And the service from Thunder Mountain Bikes is Excellent!!

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