Check the listing for details. Odyssey Pro Headset - Integrated, 1-1/8", 45 x 45, 5mm Stack, Black. Color: Black, Condition: New. Listed at 30.99 USD. The Integrated Pro headset features sealed bearings and a precision tapered wedge to keep the headset tight at all times. Laser etched Odyssey bearings. 41.8mm outer diameter (fits 42mm BMX head tubes). High-quality sealed bearings. Campagnolo standard spec. 1-1/8 integrated headset. 45deg tapered bearings. Color matched spacers included: 10mm, 3mm and 2mm (15mm total). Color matched spacers included. Laser etched Odyssey bearings. Low stack height. Item Specifications: Color, Black, Crown Race, 30, Bearing Type, Cartridge, Defined Color, Black, S.H.I.S Upper, IS42, S.H.I.S Lower, IS42, S.H.I.S. Stem Clamp Diameter, 28.6 Threadless, SHIPS TODAY! Order before 1:30PM EST, M - F, and this item ships the same day! HAVE A QUESTION?Expert customer service by bike experts! A Real Brick And Mortar Retail Bicycle Shop with people you can talk to! Contact Us! (9-5 Mon-Fri, 12-4 Sat & Sun EST) Chat With Us