MainDrive External Headsets utilize forged steel cups, alloy tops and cap with sealed mechanism bearings.
Manufacturer ACS
Manufacturer Part Number 63828-1000
UPC 816411001723
Model ACS MainDrive External Headset
Headset Style Threadless
Headset SHIS Type EC34/28.6/EC34/30
Headset Stem Size 1 1/8inch Stem
Color
Black
Bearing Type
Cartridge
Crown Race
30
Defined Color
Black
S.H.I.S Upper
EC34
S.H.I.S. Stem Clamp Diameter
28.6 Threadless
S.H.I.S Lower
EC34
Usually Ships in 2-3 Days
Please Note: This product is usually available for shipment within 2 business days for orders placed before 3pm EST, Monday through Friday or within 3 business days for orders placed after 3pm EST, Monday through Friday. Contact for in-store availability, not all items are available for immediate pickup. If we are unable to meet these time frames due the rapid changes in revolving inventory you will be contacted via email. We do not partial ship orders, the delivery time of your order is determined by the item on your order with the longest lead time. If your order is time sensitive we encourage you to contact us for up to the minute product availability and ship times to verify that we can accommodate your needs. Refer to our Shipping Terms for more information.
Please Note: This product is usually available for shipment within 2 business days for orders placed before 3pm EST, Monday through Friday or within 3 business days for orders placed after 3pm EST, Monday through Friday. Contact for in-store availability, not all items are available for immediate pickup. If we are unable to meet these time frames due the rapid changes in revolving inventory you will be contacted via email. We do not partial ship orders, the delivery time of your order is determined by the item on your order with the longest lead time. If your order is time sensitive we encourage you to contact us for up to the minute product availability and ship times to verify that we can accommodate your needs. Refer to our Shipping Terms for more information.