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Series: ZEE M640
Application: Freeride, Downhill
Type: hydraulic, 4 pistons
Actuation: mineral oil
Hose Length Front/Rear: 1000 mm/1700 mm
Technical Information - Caliper:
Mount: post mount
Pads: D01S resin (D02S metal, H01A resin optional)
Caliper Material: aluminium
Hose Connection: Banjo
Technical Information - Lever:
Lever Length: 2-finger
Adjustment Options: reach adjust (tools required)
Mount: clamp (split), I-Spec I (B)
Design: right (side specific), left (side specific)
Lever Material: aluminium
Body Material: aluminium
Hose Connection: straight
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.
I-Spec is technology that integrates the shifters and brake levers offering a clean handlebar setup.
Note: I-Spec went through an update in 2014 now known as I-Spec (Version B). Older I-Spec technology is not compatible with the new but with the help of an adaptor this problem can be solved: ( SM-SL98-B for XTR, SM-SL78-B for XT and SLX, SM-SL82-B for Saint). I-Spec II and I-Spec EV are not compatible with I-Spec B.
One Way Bleeding
One way bleeding was developed for quick and easy prevention of air in Shimano’s hydraulic system. Shimano has streamlined the oil route throughout the system to prevent air bubbles from being captured in it. One way oil routing plus a funnel tool with mineral oil provides an easy and clean bleeding system.
The fade, which can occur to rotor and pad when braking on a long downhill ride for instance, has a negative impact on the braking performance. Shimano has adopted Ice Technology rotors and Ice Technology pads to realize the cooling technology for consistent performance. The rotor blade, which has a 3 layer-sandwich structure of stainless steel, aluminium and stainless steel, provides better radiation performance achieving from 400 °C to 300°C surface temperature. Also, the radiation fin has been adopted for the pad. Moreover, the rotor blade and the radiator fin provide long pad life, less noise, less fade and are lightweight.
XTR, Saint, Deore XT, SLX, Zee, Deore LX callipers 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.
I-M640BLFPRA100 + I-M640BRRXRA170
- 2 x Shimano ZEE BR-M640 + BL-M640-B disc brakes, front and rear
- 1 x Shimano SM-BH90-SBS 1000 mm brake hose (front)
- 1 x Shimano SM-BH90-SBS 1700 mm brake hose (rear)
- 2 pairs of Shimano D01S brake pads
- 2 x insert pins
- 2 x olives
- 4 x bleed port screws
- 1 x bleed block (front only)
- 1 x Shimano TL-BH61 tool, 2-piece (front only)
- 2 x splints
- adapter not incl.
- rotors not incl.
- filled and bled