Profile Design Sonic Ergo 52a FSD Free-flowing

Free-flowing

but in a smaller size: better breaking power under high temperatures

The optical strain is therefore reduced to a minimum and the lenses remain active even on a cloudy day

Durable chromoly steel spindle

One end of the BBT-9 securely engages the 16 notches of bottom bracket cups

Profile Design Sonic Ergo 52a FSD Free-flowingThe Sonic bracket offers an extensive fit range, low weight and easy adjustment along with minimal frontal area. Combining this with the Ergo armrest creates an aerobar that will aid most riders in optimising their position for both speed and comfort. The 52A is one of the newest versions of our reliable aluminium extension range. Specifications Bracket: SonicClamp Diameter: 31. 8mm (26. 0 w Shims)Armrest: Ergo 10mm PadsArmrest Width: 124mm to 290mm