The fully sealed Eluder headset features lightweight and strong 6061-T6 alloy cups with laser etched SE logosThe Tange Seiki sealed bearings feature Technoglide technology for an impressively smooth feelCustom designed flat top cap features an awesome repeat SE wing patternEC34/28.6|EC34/30Silver28.634301-1/8`UPC/EAN/GTIN: 785749133720