• Headtube angle adjusting headset from FSA
• In the box options for plus or min 1.0 degree head angle change
• Tapered heatubes with 44mm top insertion and 49mm bottom insertion
• For 1 1/8" steerers only
• FSA Part number 102-0011

Not sure if this is the one you need?
Check out the handy FSA Headset ID Tool here http://www.fsaeasyheadset.com/