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The XT BR-M8000 disc brake by Shimano - the best made even better
The Shimano XT BR-M8000 disc brake presents itself as just as reliable and powerful as the Deore XT brakes have always been, but has been improved in some details. The fact that the lighter, robust main cylinder integrates seamlessly into the cockpit gives it an even tidier, sportier look. The Servo Wave brake lever BL-M8000 provides an optimal braking feel with clear feedback and short lever travel. The reach can be adjusted without tools, and the contact point can also be adjusted. I-Spec II opens up the possibility of integrating the shifter and offers even more individualisation. As for the Ice-Tech caliper (2 ceramic pistons), it allows controlled braking for all riding styles and ensures optimum thermal management. It can be combined with brake rotors from 140 to 203 mm as well as with various brake pads and can be easily bled with One Way Bleeding. In the present version, synthetic resin pads with cooling fins are supplied.
Series: Deore XT M8000
Application: Cross Country, All Mountain
Type: hydraulic, 2 pistons
Actuation: mineral oil
Hose Length (Front/Rear): 1000 mm / 1700 mm
Technical Information - Caliper:
Caliper Mount: post mount
Pads: J02A resin with cooling fins (J03A resin, G02A / G03A resin, G04S metal, J04C metal optional)
Caliper Material: aluminium
Hose Connection: banjo
Technical Information - Lever:
Lever Length: 2-finger
Adjustment Options: reach adjust (no tools required), free stroke
Mount: clamp (split), I-Spec II
Design: right (side-specific), left (side-specific)
Brake Lever Material: aluminium
Brake Lever Housing Material: aluminium
Hose Connection: straight
- even, calculable and powerful
- easy and clean bleeding with one-way bleeding/funnel
- controlled braking for all MTB styles
- IS mount with adapter possible
- ceramic piston
- recommended brake rotor: RT-MT800, SM-RT86
- painted brake caliper, stainless steel bolts (5 mm)
- more stable braking performance under different conditions without changing the lever position
- slim, durable and tidy design of the main cylinder with I-Spec II
- anodised lever, painted body, stainless steel clamp bolt
When you pull a Servo Wave brake lever, initial pad travel is fast, so little lever movement is needed to bring the pads into contact with the rotor. The power multiplication factor then increases rapidly at the pad-to-rim contact so more of the lever stroke is used to apply greater braking power with improved control.
The XT M8000 levers are compatible with the I-Spec II system, that allows to mount the shift and brake lever on the handlebar with only a clamp. This gives more freedom in the cockpit-design, save weight and improves the ergonomics thanks to diverse adjustment possibilities. Simple structure with narrow brake lever clamp band. More space on handle bar and cleaner appearance. Max. adjustment range vertical: 15°, max. adjustment range horizontal: 12 mm. I-Spec II brakes are not compatible with I-Spec- and I-Spec B shifters (and vice versa).
One-Way-Bleeding was developed for quick and easy prevention of air in Shimano's hydraulic system. They have streamlined the oil route throughout the system to prevent air bubbles from being captured in the system.
One way oil routing plus a funnel tool with mineral oil provides an easy and clean bleeding system.
Brake fading during prolonged uninterrupted operation, e.g. downhill, impairs braking performance. Shimano has introduced brake discs and pads with Ice-Tech technology to create a cooling technology for consistently high braking performance. The brake rotor has a three-layer stainless steel sandwich structure on the outside around an aluminium core. It radiates heat better and reduces a surface temperature from 400° C to 300° C, for example. The brake pads also have optional cooling fins. The design of the rotor in combination with the cooling fins results in a longer service life of the pads, less braking noise, less fading and a lower weight.
XTR, Saint, Deore XT, SLX, Zee, Deore LX calipers are bundled with Ice Technology pistons in order to achieve optimized lightweight, high rigidity and heat dissipation. Oversized pistons transfer hydraulic power directly to the brake pad, and ceramic material is used to avoid heat transfer for constant stable braking, providing efficient stopping power transfer without loss.
Manufacturer Part Numbers:
- 1 x Shimano XT BR-M8000 + BL-M8000 disc brake, front or rear
- 1 x Shimano SM-BH90-SBM brake hose, 1000 mm (front) or 1700 mm (rear)
- 1 pair of Shimano J02A brake pads
- 1 x insert
- 1 x olives
- 2 x caliper bolts
- 1 x bleed block (front only)
- 1 x Shimano TL-BH61 tool, 2-piece (front only)
- 1 x snap ring
- not incl. rotor
- not incl. adapter
- mount ready (filled & bled)