Through Authenticate 
Material：Alloy 6061 T6
OD：22-26mm
Size：1-1/8″
Length：32mm
Weight：47g
Machined aluminum expander for use as an internal headset preloads plug on the carbon steerer forks. The cr-moly expander bolt and 32mm length could accept standard stem and preload bolt and on top-cap.
For more details, please direct inquiries to us. Thank you!
