Shimano Dura-Ace ST-R9270F-L Di2 Shift/Brake Lever with Caliper - Left/Front Derailleur Hangers The result is 100°C lower

The result is 100°C lower rotor surface temperatures compared to standard stainless steel rotors

and your phone accessible without digging through the main compartment

and metal finishes

affordable service item for maintaining Dura-Ace Di2 equipped bikes

delivering race-level speed on pavement while maintaining the composure to handle hardpack dirt

Shimano Dura-Ace ST-R9270F-L Di2 Shift/Brake Lever with Caliper - Left/Front Derailleur Hangers The result is 100°C lowerWhat Does the Shimano Dura Ace ST R9270F L Di2 Lever With Caliper Include? The ST R9270F L is the left front combination of Shimano's flagship Dura Ace R9270 Di2 STI lever paired with its matching flat mount hydraulic disc brake caliper for the front wheel. The lever handles wireless electronic front shifting through the Di2 system and integrates the hydraulic brake lever in a single ergonomic unit the defining architecture of the R9270 generation.