Shimano Tiagra ST-R4020 11-Speed STI with BR-RS405 Calliper

Shimano Tiagra ST-R4020 11-Speed STI with BR-RS405 Calliper

Designed for modern road cyclists, the Tiagra ST-R4020 hydraulic STI system combines smooth 11-speed shifting with reliable disc braking performance. Borrowing ergonomics from higher-tier groupsets, it offers excellent control, comfort, and confidence on every ride.

Features & Benefits:

• Shimano Tiagra ST-R4020 2x11-speed STI shifter with hydraulic disc braking system.

• Dual control levers combine precise shifting and powerful braking.

• Ergonomic lever design improves comfort and control on long rides.

• Hydraulic disc brake system delivers consistent, low-effort stopping power.

• Flat mount BR-RS405 calliper ensures stable braking performance.

• Reach adjust allows personalised fit for different hand sizes.

• Compatible with Shimano Tiagra 11-speed road drivetrains.

Technical Specifications:

• Orientation: Left shift with rear brake or right shift with front brake

• Rear speeds: 11-speed

• Front speeds: 2-speed

• Shifter type: Dual control lever

• Shimano part codes (shifter): ST-R4020-L, ST-R4020-R

• Brake type: Hydraulic disc brake

• Calliper mounting: Flat mount

• Brake oil: Shimano mineral oil

• Shimano part codes (calliper): BR-RS405-F, BR-RS405-R

What's in the box:

• ST-R4020 STI lever (left or right)

• BR-RS405 calliper with pads

• Hydraulic hose

• Gear cable
  (Rotor and adapters not included)