PROFILE DESIGN A3A BTA BRIDGE PF30/PF30A The Shimano Di2 distributor unit

The Shimano Di2 distributor unit A EW-RS910 can be mounted on the handlebar ends of road bikes or on suitable frames

Wide and deep profile integrates seamlessly with gravel tires to increase aerodynamic efficiency

The proven internals remain the same

Bevelled front edge improves field of view while riding on the hoods and in the drops

Choose between 36T or 48T options to match your riding style—whether you're tackling steep climbs or cruising on flat ground

PROFILE DESIGN A3A BTA BRIDGE PF30/PF30A The Shimano Di2 distributor unitDesigned with both performance and practicality in mind, the A3A BTA Bridge delivers a clean, reliable way to mount hydration on bars that use the A3 Platform from Profile Design. The bracket sweeps backwards and raises the bottle position making it perfect for riders with tight cockpit space or those running dual hydration setups. Tested and trusted, the A3A BTA Bridge meets current safety standards for up to 2 litres of hydration capacity. Features