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Shimano Saint M820 I-Spec-B Disc Brake Caliper And Lever

From £152.99
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Shimano is a Japanese multinational corporation synonymous with cycling. Constituting 50% of sales in the global cycling market, and with their parts spanning across all types of bicycle, it is a highly reputable business that is constantly developing and innovating its assets.

Shimano Saint M820 I-Spec-B Disc Brake Caliper And Lever

The world's best gravity riders rely on Shimano Saint brakes to deliver ultimate stopping power and nuanced modulation no matter the conditions. For sure braking in the roughest terrain, the BL-M820 levers are textured and feature tool-free reach adjust, Free Stroke adjustment, and I-spec B compatibility.

The ultimate gravity and downhill brake, the SAINT hydraulic disc brake features a rigid caliper, 4-ceramic pistons, and integrated Ice Technologies heat management.


Ice Technologies

The fade, which can occur to disc brake rotor and pad when braking on a long downhill ride for instance, has a negative impact on the braking performance. Shimano has adopted Ice Technologies disc brake rotor and Ice Technologies pad to realize the cooling technology for consistent performance. The clad disc brake rotor blade, which has a 3 layer-sandwich structure of stainless steel, aluminum and stainless steel, provides better radiation performance. Also, the radiation fin has been adopted for the pad. Moreover, the clad disc brake rotor blade and the radiator fin provide long pad life, less noise, less fade and lightweight.

Ice Technologies piston 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.

One Way Bleeding

“One Way Bleeding” was developed for quick and easy prevention of air in our hydraulic system. We 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.


Integration mounting system of shifter and brake lever. It can realize clean appearance, more space for handle bar area and lightweight.

Reach Adjust

Brake lever is equipped with a reach adjust mechanism. The distance from handlebar grip to lever can be adjusted to suit any hand size, type of riding and individual rider preferences.

Servowave Action

When you pull a Servowave 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.

Free Stroke

The distance from initial lever position to pad contact point can be adjusted to suit any hand size, type of riding and individual rider preferences.


  • Ice Technologies heat management
  • High power 4-ceramic piston caliper
  • Easy and clean bleeding
  • One Way bleeding caliper
  • Funnel bleeding tool
  • Pad: H01A Resin/H03C Metal
  • Ergonomic antiskid lever
  • Lighter short Servo Wave lever
  • Free stroke and tool-less reach adjust
  • I-Spec compatible
  • Weight: 103.2g (Lever), 306g (Resin pad with radiator fin)

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