Shimano Dura-Ace Di2 R9270 Disc 12-Speed Groupset (Bottom Bracket Not Included)

Name: Shimano Dura-Ace Di2 R9270 Disc 12-Speed Groupset (Bottom Bracket Not Included)
Brand: Chung Yung Cycle Co.
Price: 18400.0 HKD
Availability: InStock

Regular price $18,400.00 HK

Regular price ~~$23,458.00 HK~~ Sale price $18,400.00 HK

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Chainring 52-36T Variant sold out or unavailable 50-34T Variant sold out or unavailable Excluding Crankset Variant sold out or unavailable

Crank Length 165mm Variant sold out or unavailable 167.5mm Variant sold out or unavailable 170mm Variant sold out or unavailable 172.5mm Variant sold out or unavailable Excluding Crankset Variant sold out or unavailable

Cassette Gearing 11-30T Variant sold out or unavailable 11-34T Variant sold out or unavailable

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Shimano Dura-Ace Di2 R9270 Disc 12-Speed Groupset

(Bottom Bracket Not Included)

Key Features

Wireless Shifting: Shimano’s latest Di2 electronic shifting ensures lightning-fast, precise gear changes with minimal effort.
Hydraulic Disc Brakes: Equipped with Flat Mount BR-R9270 calipers and SERVO WAVE technology for unmatched braking control and power.
Ergonomic Design: Dual-control shift/brake levers with adjustable grip width and recessed hoods for enhanced comfort on long rides.
Customizable Shifting: Fully programmable via the Shimano E-Tube app, allowing you to adjust shifting speed, sync modes, and button functions.
Low Maintenance: Wireless design reduces clutter, while the CR1632 battery lasts up to 3 years and is easily replaceable.

Components Overview

1. Shifters & Brakes (ST-R9270)

Dual-Control Levers: Combine shifting and braking for seamless control.
SERVO WAVE Technology: Delivers consistent braking performance with improved modulation.
Ergonomic Hoods: Redesigned for better grip and reduced fatigue on long descents.

2. Brake Discs (RT-CL900)

IceTech FREEZA Technology: Three-layer construction with aluminum cooling fins reduces heat by up to 150°C, ensuring reliable braking on steep descents.
Center Lock Design: Lightweight and easy to install.
Size: 160mm (front and rear).

3. Crankset (FC-R9200)

Hollowtech II Design: Lightweight and stiff for efficient power transfer.
Chainrings: 52-36T, optimized for 12-speed shifting precision.
Compatibility: 24mm spindle, 110mm BCD.

4. Front Derailleur (FD-R9250)

Electronic Shifting: Effortless, precise shifts with automatic trim adjustment.
Compact Design: Reduces air resistance and weighs under 100g.
Shifting Speed: 45% faster than previous models.

5. Rear Derailleur (RD-R9250 Shadow+)

Shadow+ Technology: Low-profile design for quiet, reliable shifting under load.
Wide Compatibility: Works with cassettes from 11-28T to 11-34T.
Carbon Cage: Reduces weight while maintaining durability.

6. Cassette (CS-R9200)

Hyperglide+ Technology: Smooth, reliable shifts across the entire gear range.
Titanium Sprockets: Lightweight and durable, available in 11-34T.
Compatibility: Fits 11-speed and 12-speed Shimano Road freehub bodies.

7. Chain (CN-M9100)

Dynamic Chain Engagement+ (DCE+): Reduces noise and improves chain retention.
SIL-TEC Coating: Enhances durability and reduces friction.
Quiet Operation: 4dB quieter than previous models.

8. Battery & Cables

BT-DN300 Battery: Internal design for a clean, aerodynamic look.
E-Tube Cables: Lightweight and compact for easy internal routing.
Charging Cable (EW-EC300): Convenient charging via the rear derailleur port.