Wolf tooth EC 49/40 mm Outer Lower Direction, Blue

Wolf Tooth headsets are machined in the 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.

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).
– A 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.

Lower assembly features:
– Custom molded dual-lip seal on the crown race to protect lower bearing in the toughest conditions.
12.25mm stack.
– The Wolf Tooth crown race installation adapter will help avoid damaging the crown race seals.

Specifications:

– EC49 lower: 54g
– Material: 6061 aluminum
– Stem Cap Bolt Torque Spec: 2-3 Nm with light grease on threads only

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