Profile Design 43 ASC Carbon Extensions Size:340mm The 23 mm internal width

The 23 mm internal width hooked tire bed is aerodynamically optimized for 28mm clincher and tubeless tires for a perfect balance between rolling resistance and comfort

The Jagwire Pro and Sport Needle Drivers ensure proper alignment of the needle fitting

Delivers up to 120g of carbohydrate per litre

Shimano Dura-Ace Di2 R9270

Profile Design 43 ASC Carbon Extensions Size:340mm The 23 mm internal widthWhen designing these extensions we wanted to utilize carbon fibers' natural ability to be shaped into an aerodynamic form while still providing a good amount of strength and rigidity, hence ASC stands for Aero Shaped Carbon. Looking at the grip section, we have a 87mm rise from the base of the extension to the grip with the grip angle being set at 43 degrees. Specifications Extension Length: 340mm or 400mmMinimum Length: 290mm (from the front of