Feature:
1.APPLICABLE OCCASION:The headset top cap bike fork expander bung is good for 1 inch(24.5mm) or 1.25 inch(28.6mm).
2.GREAT REPLACEMENT TOOL:Replaces conventional star nut and top cap, a must for bike steerers. Just use the hexagon wrench and then you'll get it installed in minutes.
3.FIRMLY TIGHT:Tighten your headset firmly and you will not get horrible feeling when your headset moves against your forks on the frame.
4.GOOD PERFORMANCE:Eliminating the risk of damage and providing added support to the fragile top edge of the steerer.

Specification:
Condition: Brand New
Material: Aluminum Alloy
Color: Black, Red, Blue, Golden (Optional)
Size: Approx. 5 * 3.2 cm / 1.96 * 1.25 in
Weight: Approx. 50-55g

Package List:
1 * Bike Stem Headset