SHIMANO ULTEGRA ST-R8170 HYDRAULIC Di2 STI FOR DROP BAR WITHOUT E-TUBE WIRES Side:Left / Double A compact and powerful USB-rechargeable

A compact and powerful USB-rechargeable front bike light that's daytime visible from up to 2 km away

Adhesive backing

Offset: 0 and 20mm

making it perfect for confident riding around town

SHIMANO ULTEGRA ST-R8170 HYDRAULIC Di2 STI FOR DROP BAR WITHOUT E-TUBE WIRES Side:Left / Double A compact and powerful USB-rechargeableThe redesigned Shimano Ultegra Di2 ST R8170 levers feature new ergonomics and even more precise brake modulation thanks to SHIMANO's proven SERVO WAVE technology. Wireless electronic shifting provides even more control. Features FASTEST AND MOST RELIABLE SWITCHING OPERATIONS EVER Improved aerodynamics Revised DUAL CONTROL shift brake levers with raised and rounded brake grips The drive can be adjusted to the rider's preferences via the E TUBE app