Special Order - In Warehouse or Pre-Order - contact us for ETA
ATC SKU:
210000080954
UPC:
812719027359
MFG. SKU:
EC34L-30-BLK
Other IDs:
HD1712
PRODUCT DETAILS
Wolf Tooth headsets are machined in the USA with aircraft-grade 6061 aluminum. Our headsets have three levels of superior custom sealing to protect bearings from the elements and prolong the life of the headset. They are designed to be lightweight, strong, and durable. Available in a variety of colors. These EC headsets are for frames with external bearing cups, which places the bearing outside of the frame with these headsets. Premium Headsets with Enduro stainless steel bearings have a lifetime warranty on the bearings.
Compatibility
Stack height designation for EC headsets includes 10mm cup (see tech specs).
Any frame that uses an external cup headset with a 34mm upper head tube. inner diameter and 34mm, 44mm, or 49mm lower head tube inner diameter
Uppers and lowers sold separately.
Enduro stainless steel sealed bearings included on both the upper and lower.
Upper headsets ship with a star nut which can only be used on forks with steel or aluminum steerer tubes. For forks with carbon steerer tubes you will need a compression plug (sold separately). (Never use a star nut on a carbon steerer tube).
crown race adapter (sold separately)will allow you to use forks with smaller 1-1/8" or 1-1/4" steerer tubes with a larger 1-1/2" bottom headset cup
EC34 Lowers are not compatible with Surly 1-1/8" straight steerer forks
California Prop 65 Warning:
This product may contain chemicals known to the state of California to cause cancer and birth defects or other reproductive harm. (California law requires this warning be given to customers in the state of California.)
California CBE Fees:
Some products we sell may be subject to California’s Covered Battery-Embedded (CBE) Waste Recycling Fee (effective January 1, 2026) when a product contains a non-removable rechargeable battery. If applicable, the fee (1.5% fee with a $15 max per item) will either be added to your cart as a separate line item or be invoiced after your order is placed and before it can be fulfilled.
