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  • Available at 06.08.2026
Item no: 20257159

Product information "CUES ST-U4030+BR-U6030 2x9-speed Disc Brake Set"

A new lever design offers ambitious cyclists greater control; the new Shimano CUES 2x9-speed ST-U4030 levers, paired with BR-U6030 flat-mount brake calipers for hydraulic disc brakes, deliver outstanding braking performance.

KEEPS YOU MOVING: CUES 2x9-speed STI unit ST-U4030 + BR-U6030 disc brake set from Shimano

The new lever design offers ambitious riders significantly more control. What’s more, the SHIMANO CUES U4030 DUAL-CONTROL LEVERS now feature the latest functions. Their improved lever position and grip design are the result of extensive research into different hand shapes. Enthusiastic road and gravel cyclists can now benefit from a new lever shape, the reliable performance of the hydraulic disc brakes and the smooth, intuitive shifting they have come to expect from SHIMANO CUES.
The SHIMANO CUES Flat Mount hydraulic disc brake has been specially developed for the popular 160 mm brake discs and features an integrated design that eliminates the need for an additional adapter. The simple and lightweight 2-piston design ensures reliable braking performance in all conditions.


Features – Shimano CUES ST-U4030 2x9-speed STI unit + BR-U6030 disc brake set

  • 2x9-speed DUAL-CONTROL LEVERS compatible with mechanical shifting, featuring improved ergonomics
  • The new lever shape offers an optimised grip width to allow riders with a wide range of hand sizes to access the lever comfortably
  • Simple, integrated design specifically for 160mm disc brakes
  • Simple cable connection system (J-Kit)
  • Simple, clean bleeding system
  • ONE WAY BLEEDING

Product features

  • Applications: Gravel, road bike, cyclocross
  • Group: CUES U4030
  • Model: ST-U4030
  • Type: Dual-Control (STI)
  • Mounting: left/right
  • Front derailleur: 2-speed
  • Rear derailleur: 9-speed
  • Visual gear indicator: no
  • Grip width adjustment: Yes, with tool
  • Handlebar diameter: 23 .8 mm/24.2 mm
  • Brake type: Hydraulic braking system (disc brakes)
  • Brake caliper: BR-U6030 (2-piston)
  • Brake caliper mount: Flat-mount
  • Brake pads: B05S-RX Resin without cooling fins
  • Brake hose: SM-BH59-JK-SS front 1000mm / rear 1700mm (can be shortened)
  • H oseconnection: Straight
  • One-way bleed valve: Yes
  • Brake fluid: Mineral oil
  • Recommended brake disc: SM-RT54 , SM-RT30

Material

  • Lever: Aluminium
  • Caliper: Aluminium

Colour

  • Series color

Contents

  • 1 x CUES ST-U4030 2x9-speed STI unit set
  • 1 x CUES BR-U6030-F flat-mount brake calliper
  • 1 x CUES BR-U6030-R flat-mount brake caliper
  • 2 x B05S-RX resin brake pads without cooling fins
  • 2 x SM-BH59-JK-SS brake lines, 1000mm / 1700mm (can be cut to length)
  • 4 x fixing bolts for brake calipers
  • 2 x hose connection kits
  • 2 x internal gear cable 1800mm / 2200mm
  • 2 x SIS OT-SP41 inner cable outer sheath
  • 2 x end cap + end sleeve
  • J-Kit – The SM-BH59-JK-SS brake hoses are filled with mineral oil and pre-fitted to the BR-U6030 brake calipers!

Brake discs not included!

For compatible brake discs >CLICK HERE<

  • Manufacturer number: EU40303DLF6RC100A+EU40303DRRDRC170A

  • Manufacturer:
    SHIMANO INC.
    3-77 Oimatsu-cho, Sakai-ku, Sakai-shi
    590-8577 Osaka
    Japan
    https://www.shimano.com

    Person responsible in the EU:
    Shimano Europe BV
    High Tech Campus 92
    NL-5656 Eindhoven
    Netherlands
    [email protected]
    https://www.shimano.com

Shimano CUES ST-U4030+BR-U6030 2x9-speed Disc Brake Set

A new lever design offers ambitious cyclists greater control; the new Shimano CUES 2x9-speed ST-U4030 levers, paired with BR-U6030 flat-mount brake calipers for hydraulic disc brakes, deliver outstanding braking performance.

KEEPS YOU MOVING: CUES 2x9-speed STI unit ST-U4030 + BR-U6030 disc brake set from Shimano

The new lever design offers ambitious riders significantly more control. What’s more, the SHIMANO CUES U4030 DUAL-CONTROL LEVERS now feature the latest functions. Their improved lever position and grip design are the result of extensive research into different hand shapes. Enthusiastic road and gravel cyclists can now benefit from a new lever shape, the reliable performance of the hydraulic disc brakes and the smooth, intuitive shifting they have come to expect from SHIMANO CUES.
The SHIMANO CUES Flat Mount hydraulic disc brake has been specially developed for the popular 160 mm brake discs and features an integrated design that eliminates the need for an additional adapter. The simple and lightweight 2-piston design ensures reliable braking performance in all conditions.


Features – Shimano CUES ST-U4030 2x9-speed STI unit + BR-U6030 disc brake set

  • 2x9-speed DUAL-CONTROL LEVERS compatible with mechanical shifting, featuring improved ergonomics
  • The new lever shape offers an optimised grip width to allow riders with a wide range of hand sizes to access the lever comfortably
  • Simple, integrated design specifically for 160mm disc brakes
  • Simple cable connection system (J-Kit)
  • Simple, clean bleeding system
  • ONE WAY BLEEDING

Product features

  • Applications: Gravel, road bike, cyclocross
  • Group: CUES U4030
  • Model: ST-U4030
  • Type: Dual-Control (STI)
  • Mounting: left/right
  • Front derailleur: 2-speed
  • Rear derailleur: 9-speed
  • Visual gear indicator: no
  • Grip width adjustment: Yes, with tool
  • Handlebar diameter: 23 .8 mm/24.2 mm
  • Brake type: Hydraulic braking system (disc brakes)
  • Brake caliper: BR-U6030 (2-piston)
  • Brake caliper mount: Flat-mount
  • Brake pads: B05S-RX Resin without cooling fins
  • Brake hose: SM-BH59-JK-SS front 1000mm / rear 1700mm (can be shortened)
  • H oseconnection: Straight
  • One-way bleed valve: Yes
  • Brake fluid: Mineral oil
  • Recommended brake disc: SM-RT54 , SM-RT30

Material

  • Lever: Aluminium
  • Caliper: Aluminium

Colour

  • Series color

Contents

  • 1 x CUES ST-U4030 2x9-speed STI unit set
  • 1 x CUES BR-U6030-F flat-mount brake calliper
  • 1 x CUES BR-U6030-R flat-mount brake caliper
  • 2 x B05S-RX resin brake pads without cooling fins
  • 2 x SM-BH59-JK-SS brake lines, 1000mm / 1700mm (can be cut to length)
  • 4 x fixing bolts for brake calipers
  • 2 x hose connection kits
  • 2 x internal gear cable 1800mm / 2200mm
  • 2 x SIS OT-SP41 inner cable outer sheath
  • 2 x end cap + end sleeve
  • J-Kit – The SM-BH59-JK-SS brake hoses are filled with mineral oil and pre-fitted to the BR-U6030 brake calipers!

Brake discs not included!

For compatible brake discs >CLICK HERE<

  • Manufacturer number: EU40303DLF6RC100A+EU40303DRRDRC170A

  • Manufacturer:
    SHIMANO INC.
    3-77 Oimatsu-cho, Sakai-ku, Sakai-shi
    590-8577 Osaka
    Japan
    https://www.shimano.com

    Person responsible in the EU:
    Shimano Europe BV
    High Tech Campus 92
    NL-5656 Eindhoven
    Netherlands
    [email protected]
    https://www.shimano.com

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