Hex (socket) Head Extra Long Headset Top-Cap Bolt 50mm Black XL Socket Head Bolt

XL Hex (Socket) Head Universal Headset Preload / Extra Long TopCap Bolt 
Length: 50mm 
Head type: Hex Socket head fits Aheadset and other major brand recessed headset topcaps  Used to set headset preload and to secure the top cap in place, just longer in length for a starnut that is too far down the fork steerer tube to reach with your standard length bolt. 
Wrench Type: Hex  ( Use a 5mm allen/hex wrench for installation /removal )
We also have these bolts in a beveled head for beveled headset top caps like found on Trek and other major brands of headset topcaps. 
Color: Black
Material: Steel