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Lightweight Hydraulic Disc Brake Caliper for greater control.
Lightweight Hydraulic Disc Brake Caliper for greater control.
Shimano

Shimano XT BR-M8100/BL-M8100 Bled Brake Lever Rear Left

£144.99 £154.99 6% off
Pre-Order

With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined

Shimano XT BR-M8100/BL-M8100 Bled Brake Lever Rear Left

Brand:Shimano

Code:M8100BLR

Shimano XT BR-M8100 / BL-M8100 Rear Left Hydraulic Disc Brake Lever & Caliper – Fully Bled

The Shimano XT BR-M8100/BL-M8100 Rear Left Hydraulic Disc Brake delivers powerful, reliable, and consistent braking performance for MTB riders who demand control and confidence on aggressive trails. Fully pre-bled and ready to install, this high-performance Shimano XT hydraulic disc brake system is engineered with Servo-Wave technology, oversized twin pistons, and Ice Tech compatibility to provide maximum stopping power with minimal fade.


  • Fully Bled System – Pre-bled lever and caliper for quick installation, no adapters or rotors included for full customisation.
  • Servo-Wave Technology – Short-stroke mechanism delivers fast pad engagement and more braking power with precise modulation.
  • Oversized 22mm Twin Pistons – Phenolic pistons designed for heat insulation, reduced weight, and increased stiffness.
  • Ice Tech Compatibility – Optimised for Ice Tech alloy fin pads and Ice Tech rotors (140mm, 160mm, 180mm, or 203mm) for superior heat dissipation and braking consistency.
  • Lightweight Forged Caliper & Lever – Rigid and durable forged alloy design for optimum strength-to-weight balance.
  • Adjustable Brake Lever – Reach and free stroke adjustment for a custom fit and improved comfort.
  • Shim-less Mounting System – Quick and easy setup for hassle-free installation.
  • I-Spec II Compatible – Integrates seamlessly with Shimano shifters for a clean cockpit setup.
  • Mineral Oil Brake Fluid – Non-corrosive, low-maintenance, and safer than traditional hydraulic brake fluids.
  • Included Components – Comes with sintered brake pads, spare olives, and inserts for hose length adjustments.

Performance Benefits

  • Powerful Braking for Aggressive MTB Riding – Reliable stopping power on steep descents, technical trails, and enduro racing.
  • Superior Heat Management – Ice Tech compatibility ensures fade-free braking on long descents.
  • Customizable Setup – Adjustable lever reach and free stroke for perfect control.
  • Lightweight & Durable – Forged alloy lever and caliper maximise stiffness while reducing weight.

The Shimano XT BR-M8100 / BL-M8100 Rear Left Hydraulic Disc Brake Lever & Caliper is the go-to choice for mountain bikers who need powerful, consistent, and adjustable braking performance on demanding terrain. Perfect for trail, enduro, and all-mountain riders who demand reliability and precision.


Shimano XT M8100 Rear Left Hydraulic Disc Brake – powerful, fully bled MTB brake system with Servo Wave, 22mm twin pistons, Ice Tech compatibility, and 1700mm hose.

Technical Information
  • Product Type: Hydraulic Disc Brake – Rear (Left)
  • Discipline: MTB / Trail / Enduro
  • Lever Type: BL-M8100 Servo Wave with reach & free stroke adjustment
  • Caliper Type: BR-M8100 dual piston with Ice Tech pad compatibility
  • Hose Length: 1700mm (cuttable)
  • Colour: Black
  • Di2 Compatible: No
Sizing Information

General Unisex Brand Information

Professional Opinion
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