Shimano XT BR-M8120 Disc Brake

backcountry  |  SKU: DWGCB9B
$19467 27% Off

Original price

$26500

Shipping calculated at checkout.
Condition
Good  NEW
Never used. Shows no signs of wear. New items may have the original tags or come in their original packaging.

UNEW WITH TAGS
This gear appears to be unused and may still retain its original retail tags and/or packaging. While this item has been passed down from a previous owner, it shows no signs of wear, use, or alteration and is in "like-new" condition.

EXCELLENT
This gear should be like new with very minimal use and wear.

GOOD
This gear is still in good shape. There’s some wear and tear, but has plenty of life left in it. Signs of wear may include pilling, snags, lint, animal hair, dried dirt, and minor but noticeable staining, etc.

FAIR
This gear is still usable and is in OK shape, but shows noticeable signs of wear and tear. Fair condition products likely have cosmetic blemishes throughout such as pilling, lint, animal hair, and dried dirt. Physical damages such as holes, tears, loose stitching, and staining are often found on Fair items. Fair items are valued for function over form.

Free Shipping on Orders $100+*

Free Shipping on Orders $100+

  • Offer valid on products purchased from the sellers Geartrade or Backcountry
  • Not valid on orders shipped to Alaska and Hawaii
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FAQ's

Are the product photos of the actual items?

  • Yes! Geartrade does not use stock photos on their used gear. What you see, is what you get.
  • Some items in new condition may have stock photos.

Why should I buy used gear?

  • Good gear is built to last, you can save a lot of money and it's great for the planet.

I want to sell gear - what do you accept?

What is your return policy?

  • We offer a generous no-questions-asked 14 day return policy for eligible items. Final sale items are not eligible for return. You have up to 14 days to initiate a return after your order has been delivered. The item needs to be in the same condition we sent it to you (keep those tags on). Our full return policy can be found here: Return Policy

How fast do you ship?

  • Most orders placed before 1pm MST are shipped out that day. We ship Monday-Friday.
Why Geartrade?
  • Items are Hand-inspected by Gear Experts
  • Steep Discounts on Premium Outdoor Brands
  • Over 3 million pounds of gear diverted from landfills since 1999

Product Condition: The XT BR-M8120 Disc Brake is in Good condition. Was previously owned for approximately 2 weeks. Brake shows little to no signs of installation or use. Original packaging is damaged. Sold as-is. All warranties void.

Size: Unisex Right/Rear

Color: Black

Retail Cost: $265.00

What Our Gearhead Experts Are Saying:

“I’ve run these on everything from enduro bikes to trail rigs—they’re bulletproof. The 4-piston power and Servo-Wave feel give me instant confidence on steep descents, and modulation is spot-on. Once you try them, you’ll understand why everyone swears by XT.”

When the trail points down and gravity takes over, the Shimano XT BR-M8120 Disc Brake gives us the power and control to keep speed in check with confidence. Its 4-piston caliper delivers aggressive, consistent braking on long descents, while the refined Servo-Wave lever design ensures smooth, intuitive modulation even in the sketchiest terrain.

Engineered for riders who demand reliability and precision, the M8120’s ceramic pistons resist heat buildup, and the finned pads dissipate it fast for fade-free braking on sustained drops. The updated I-Spec EV lever clamp keeps the cockpit clean and stable, making it easy to pair with shifters and dropper remotes. Pre-bled and ready to mount, this system blends Shimano’s legendary dependability with the kind of fine-tuned performance that elevates every ride.


XT BR-M8120 Disc Brake delivers powerful, precise control for aggressive trail riding (DWGCB9B)

TECH SPECS

  • Lever: aluminum
  • Lever Adjustability: tool-less reach adjust, free-throw
  • Actuation: hydraulic
  • Caliper: 4-piston
  • Mount Type: post
  • Fluid: mineral oil
  • Rotor: not included
  • Includes: metal pads
  • Claimed Weight: 410g
  • Activity: mountain biking

Not everything needs to be new. Earth matters too.

Wear it Out ™

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