Full Speed Ahead Impact Pro Internal 1-1/8" Headset Campagnolo Black Bar Clamp Diameter (mm)-35.0 4mm Steerer Tube 1-1/8 Stem

4mm Steerer Tube 1-1/8 Stem Angle ±7° Stem Weight 161g (110mm)

Previously unattained ski control and forward thrust go hand in hand with low weight

Grease bolt and axle threads

Fits any 104/64 BCD crankset (104 BCD is the middle/big position 64 is the smallest ring position)

Misc Valve Pack B (8

Full Speed Ahead Impact Pro Internal 1-1/8" Headset Campagnolo Black Bar Clamp Diameter (mm)-35.0 4mm Steerer Tube 1-1/8 StemFull Speed Ahead Impact Pro Internal 1 1 8" Headset Campagnolo Black. The FSA Impact Headset is a internal 1 1 8" black headset. Campagnolo compatible Alloy top cover Patented alignment tip for increased durability and performance 7075 alloy crown race Laser etched aluminum top cap 45 45 degree angular contact bearings Compatible with most detanglers TECH SPECS Color Black Bearing Type Cartridge Crown Race 30 Weight 64 Defined Color Black S. H. I. S