SHIMANO DURA ACE Di2 ST-R9180 + BR-R9270 DISC BRAKE LEFT Giant_kids Hefty 14mm hardened steel shackle

Hefty 14mm hardened steel shackle resists cutting

Precise tuning the stud positions results in a very good predictable handling with seamless transitions when turning into corners while enormous grip

ensuring a maximum puncture protection

Rotor BSA30

SHIMANO DURA ACE Di2 ST-R9180 + BR-R9270 DISC BRAKE LEFT Giant_kids Hefty 14mm hardened steel shackleThe Shimano Dura Ace Di2 ST R9180 shift brake lever paired with the BR R9270 disc brake caliper represents the pinnacle of triathlon and time trial performance. Engineered for athletes demanding absolute precision, this wireless shifting system delivers uncompromising control and responsiveness when every millisecond counts. The Di2 electronic shifting eliminates cable friction, ensuring instantaneous gear changes with minimal effortcritical during