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Shimano Saint disc brake set BR-M820 - ultimate power for DH
The Shimano Saint BR-M820 disc brake set (front + rear) features powerful 4-piston calipers with ceramic pistons that make it the ultimate Downhill and Gravity brake. Thanks to Ice Technologies, the system does not overheat and the braking performance remains constant even on the most difficult descents. One-Way Bleeding also allows the calipers to be quickly and easily bled. On the brake lever side, the BL-M820-B Servo Wave, a design for better modulation of the braking force, and the I-Spec integration option for shifters and brake levers, score points.
Series: Saint M820
Type: hydraulic, 4 pistons
Actuation: mineral oil
Hose Length (Front/Rear): 1000 mm / 1700 mm
Technical Information - Caliper:
Caliper Mount: post mount
Pads: H03C metal with cooling fins (H01A / H03A resin 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 I (B)
Design: right (side-specific), left (side-specific)
Brake Lever Material: aluminium
Brake Lever Housing Material: aluminium
Hose Connection: straight
- powerful 4-ceramic piston brake caliper
- 4 opposed ceramic pistons
- IS mount with adapter possible
- simple, clean bleeding (funnel)
- Ice Tech pads with cooling fins
- recommended brake rotor: SM-RT99, SM-RT86
- painted brake caliper, stainless steel bolts (5 mm)
- ergonomic, anti-slip lever
- anodised lever, painted body, stainless steel clamp bolt
- suitable for I-Spec
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.
Integration mounting system of shifter and brake lever. It can realise clean appearance, more space for the handle bar area and lightweight.
Note: The I-Spec brake levers have a new mount as of 2014 (Version B). First of all, there is no compatibility with shifter with old I-Spec mounts. However, these can be made compatible with the new I-Spec brake levers using the new I-Spec adapters (SM-SL98-B for XTR, SM-SL78-B for XT and SLX, SM-SL82-B for Saint). There is no compatibility with I-Spec II or I-Spec EV.
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 Number:
I-M820BLFPNA100 + I-M820BRRXNA170
- 2 x Shimano Saint BR-M820 + BL-M820-B disc brakes, front and rear
- 1 x Shimano SM-BH90-SBLS brake hose, 1000 mm (front)
- 1 x Shimano SM-BH90-SBLS brake hose, 1700 mm (rear)
- 2 pair of Shimano H03C brake pads
- 2 x insert
- 2 x olives
- 4 x caliper bolts
- 1 x bleed block (front only)
- 1 x Shimano TL-BH61 tool, 2-piece (front only)
- 2 x snap ring
- not incl. adapter
- not incl. rotor
- mount ready (filled & bled)