Shimano Tiagra ST-R4020/BR-RS405 10 Speed Shift/Brake Lever (Black) Speed | Side:11 Speed | Right Spend more time enjoying the

Spend more time enjoying the freedom of trekking with this derailleur's seamless shifting and pedaling

Mechanical lockout firms up the fork for efficient climbing and smooth pavement riding

reduces the compression of soft tissues

Spacers are used for lateral adjustability

airtight seal

Shimano Tiagra ST-R4020/BR-RS405 10 Speed Shift/Brake Lever (Black) Speed | Side:11 Speed | Right Spend more time enjoying theThe Shimano Tiagra ST R4020 BR RS405 shift and brake lever set is designed to deliver precise 2x10 speed shifting combined with powerful hydraulic disc braking for road bikes. Featuring Shimanos dual control lever design, it allows seamless gear changes and braking from a single ergonomic unit. The slim hood shape and short shift arc provide a natural hand position and intuitive operation, while the hydraulic system ensures consistent stopping power