42cm width centre-to-centre, 44cm external edge-to-external edge. Pad look to fit arm-wrests oddly on photos, but functionally very effective/comfortable.
Profile Design FC35 Hydration System Aero Triathlon TT Bike Water Bottle Black
Profile Design Air Wing 42 cm x 26 mm Aero Handlebar Triathlon, single speed etc
Profile Design Aero HC - bottle
Profile Design Aerobar Riser Kit
Profile Design Aerodrink Triathlon Hydration System Bottle Splash Guard & Straps
Profile design Hydration System – FC25 in Black or White -Triathlon Drink Bottle