Shimano Dura Ace BR R9170 Disc Brake Caliper Flat Mount w/ L02A IceTech Brake Pads. A completely new level of reliability and braking performance is achieved with Dura Ace hydraulic brakes. Even under challenging weather conditions, the rider can set maximum trust in braking performance.
SPECIFICATIONS Application: Road, Cyclocross (competition) Brake Type: disc brake, hydraulic Mount: flat mount Hydraulic Fluid: Shimano mineral oil Material: aluminium, painted, steel bolt (4 mm) Construction: 2-piece Brake Pistons: 2 pistons (ceramic) Brake Pads: L02A resin with cooling fins (Ice Tech) Recommended Brake Lever: ST-R9120, ST-R9170, ST-R9180 Recommended Brake Hose: SM-BH59-JK-SS Recommended Rotor: SM-RT900 (front 140/160 mm, rear 140 mm (160 mm optionally with adapter)) Hose Connection: straight One Way Bleeding: yes Technology: Ice-Tech Weight: 125g Brake hose, Rotor, and Mineral oil not included!
Technology: One Way Bleeding One way bleeding was developed for quick and easy prevention of air in Shimanos hydraulic system. Shimano has streamlined the oil route throughout the system to prevent air bubble from being captured in the system. One way oil routing plus a funnel tool with mineral oil provides an easy and clean bleeding system.
Ice-Tech 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 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.
Original Shimano parts guarantees that all components work perfectly for optimum performance and maximum safety and longevity.
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