Shimano Dura Ace STR9120/BRR9170 Di2 Dual Control shifting/hydr. brake, 11-speed, right, Flat Mount, snake. 1,700 mm + plates L03A
559 €
RRP 609 €
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Product description
The introduction of hydraulic road disc brakes in the DURA-ACE lineup brings more control and confident braking in tough weather conditions. The hoods of the hydraulic levers (ST-R9120/70) are designed to incorporate the hydraulic reservoir and provide an ergonomic hand position, similar to the mechanical brake hoods (ST-R9100/50).
Hydraulic disc brake calipers can be directly mounted on the frame (flat mount) for a clean low profile design. New dedicated DURA-ACE rotors bring better heat management properties to provide stability in brake performance. With an increased adaptor size, heat transfer through the rotor is decreased and more heat can dissipate through the air. This results in a 30°c reduction in rotor temperature over Shimano’s ICE TECHNOLOGIES FREEZA rotors.
For suitable Rotor >CLICK HERE<
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With smaller, sleeker hoods, the 2x11-speed compatible ST-R9120 STI with BR-R9170 caliper for hydraulic disc brake units deliver improved ergonomics for better rider comfort and control, with reduced lever stroke and lighter action.
Most advanced component group of all time: The Shimano Dura Ace 11-speed Disc Brake Road ST-R9120 + BR-R9170 rear
With the introduction of DURA-ACE R9100, Shimano has reestablished the new benchmark for road performance by improving each component and incorporating its newest technologies. DURA-ACE R9100 delivers unparalleled performance, highly-refined ergonomics and immense customization to maximize every rider’s potential.
The introduction of hydraulic road disc brakes in the DURA-ACE lineup brings more control and confident braking in tough weather conditions. The hoods of the hydraulic levers (ST-R9120/70) are designed to incorporate the hydraulic reservoir and provide an ergonomic hand position, similar to the mechanical brake hoods (ST-R9100/50).
Hydraulic disc brake calipers can be directly mounted on the frame (flat mount) for a clean low profile design. New dedicated DURA-ACE rotors bring better heat management properties to provide stability in brake performance. With an increased adaptor size, heat transfer through the rotor is decreased and more heat can dissipate through the air. This results in a 30°c reduction in rotor temperature over Shimano’s ICE TECHNOLOGIES FREEZA rotors.
Features
- Quick and intuitive rear shifting operation
- Shorter lever stroke
- Redesigned internal shifting unit
- Lighter front shifting operation
- Redesign front system with new front derailleur
- Comfortable grip and operation
- More customizable and precise lever position
- Consistent braking performance in any condition
- Easy brake control Hydraulic Brake
- Fast and easy bleeding through one-way Bleeding
- Rear (140mm)
Product features
- Use: Road/Cyclocross
- Group: Dura Ace
- Model: ST-R9120
- Type: Dual-Control (STI)
- Handlebar mounting: right
- Gear rear: 11-speed
- Optical gear display: No
- Lever reach adjust: Yes
- Handlebar diameter: 23.8mm/24.2mm
- Brake-type: Hydraulic Disc Brake
- Brake caliper: BR-R9170
- Brake mounting: Flat-Mount
- Brake pads: L02A Resin with Fin
- Brake hose: SM-BH90-JK-SSR 1700mm (shortable)
- One-Way bleeding: Yes
- Brake fluid: Mineral oil
- Recommended brake rotor: SM-RT900 (140mm)
Material
- Body: CFRP
- Lever: Carbon, painted
- Caliper: Aluminum, painted
Weight
- approx 420g / pair (without rotors)
Scope of delivery
- 1 Dura Ace 11-speed STI Dual Control ST-R9120 right
- 1 Dura Ace Disc Brake Caliper BR-R9170 Flat-Mount
- 1 Brake Pads L02A-Resin with Fin
- 1 Brake Hose SM-BH90-JK-SSR 1700mm (shortable)
- 2 Screws for brake caliper
- 1 Tube Joint Kit (Insertpin + Olive)
- 1 Gear wire (Polymer-coated) 2100mm
- 1 Gear cable SIS OT-SP41 600mm
- 1 Gear cable SIS OT-SP41 300mm
- End caps
- The brake hose SM-BH90-JK-SSR is with mineraloil filled and pre-mountedon the caliper BR-R9170!
For suitable Rotor >CLICK HERE<
Shimano DURA-ACE R9100 (Di2)
Product details
| Groupset | Shimano Dura-Ace |
| Location | Rear |
| Gears | 1x11, 2x11, 3x11 |
| product ID | 64386 |
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Japanese manufacturer produces road, mountain, gravel, trekking, BMX and e-bike groupsets. They also offer a whole series of components and apparel. Their range goes from wheels, footwear, eyewear to backpacks. Shimano is a traditional manufacturer known for their quality work, which is why they are the favourite choice of amateurs and professionals.
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