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Shimano ZEE BR-M640 disc brake set - a must for freeriders
The Shimano ZEE disc brake set BR-M640 (front + rear) bites hard even on demanding terrain. It has two 4-ceramic piston brake calipers designed according to Ice-Tech technology for optimum heat dissipation. Thanks to One Way Bleeding they can also be bled easily and without any problems. The BL-M640-B brake levers use the Servo Wave design, which makes optimum use of the lever travel. The cockpit can also be tidied up using I-Spec - the option of integrating shifters and brake levers.
Series: ZEE M640
Application: Freeride, Downhill
Type: hydraulic, 4 pistons
Actuation: mineral oil
Hose Length (Front/Rear): 1000 mm / 1700 mm
Technical Information - Caliper:
Caliper Mount: post mount
Pads: D01S resin (D02S metal, D03S resin, H01A / H03A resin optional)
Caliper Material: aluminium
Hose Connection: banjo
Technical Information - Lever:
Lever Length: 2-finger
Adjustment Options: reach adjust (with tools)
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-piston brake caliper
- highly stiff design
- fast and easy bleeding with one-way bleeding/funnel
- ceramic piston
- IS mount with adapter possible
- recommended brake rotor: SM-RT66
- 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.
I-M640BLFPRA100 + I-M640BRRXRA170
- 2 x Shimano ZEE BR-M640 + BL-M640-B disc brakes, front and rear
- 1 x Shimano SM-BH90-SBS brake hose, 1000 mm (front)
- 1 x Shimano SM-BH90-SBS brake hose, 1700 mm (rear)
- 2 pairs of Shimano D01S brake pads
- 2 x inserts
- 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 rings
- not incl. adapter
- not incl. rotors
- mount ready (filled & bled)