Check the listing for details. FSA Orbit C-40-ACB 1.5 Headset (No.42/ACB) IS42 / IS52 Tapered Integrate Headset. Color: Black, Condition: New. Listed at 29.00 USD. A combination of the other styles, tapered headsets will be used with a steerer tube that has a 1.1/8" or 1.5" lower diameter, and a 1.1/8" upper diameter. Headsets for such frames and forks can be any combination of traditional, internal, or integrated headsets. It is very important to accurately measure the inner diameter of the headtube top and bottom to narrow down the headset model needed. In some cases, tapered headtubes can be used with a straight 1.1/8" steerer tube if a reducing headset race is available for that headset. Features: Steerer Tube OD: 1.1/8" to 1.5" tapered Upper Headtube ID: 42mm Lower Headtube ID: 52mm Fork crown seat OD: 39.8mm Stack height: 8.9mm Angular Contact Bearings FSA Orbit C-40-ACB 1.5 Headset (No.42/ACB) IS42 / IS52 Tapered Integrate Headset A combination of the other styles, tapered headsets will be used with a steerer tube that has a 1.1/8" or 1.5" lower diameter, and a 1.1/8" upper diameter. Headsets for such frames and forks can be any combination of traditional, internal, or integrated headsets. It is very important to accurately measure the inner diameter of the headtube top and bottom to narrow down the headset model needed. In some cases, tapered headtubes can be used with a straight 1.1/8" steerer tube if a reducing headset race is available for that headset. Features: Steerer Tube OD: 1.1/8" to 1.5" tapered Upper Headtube ID: 42mm Lower Headtube ID: 52mm Fork crown seat OD: 39.8mm Stack height: 8.9mm Angular Contact BearingsSHIPPINGABOUTSHIPPING SHIPPINGABOUTSHIPPING FAST SHIPPING We will ship your orders within 1-2 business day upon payment received. SHIPPINGABOUT ABOUTSHIPPINGABOUT ABOUT Our team is comprised of a number of individuals who have worked in the bike industry for many years and built up some great relationships with brands and suppliers. Our philosophy is that we work hard to find popular bike gear from the brands you love without having to pay a fortune for it. We are also proud to introduce our own range of quality accessories and tools that we have researched, sourced and tested from top quality manufacturers in Taiwan. Check out ‘DLC Tools’ which is the first range we are introducing. You’ll find a variety of tools for both the workshop and to take with you on the road or trails to keep your bike in good shape. We are currently based in California location and growing RESQ Tool 3/8 and 1/4 inch Digital Torque Wrench SHOP NOW Limited Time OfferSample product 1$1.00SHOP NOW!Sample product 2$2.00SHOP NOW!Sample product 3$3.00SHOP NOW!Sample product 4$4.00SHOP NOW!Sample product 5$1.00SHOP NOW!Sample product 6$2.00SHOP NOW!Sample product 7$3.00SHOP NOW!Sample product 8$4.00SHOP NOW!Sample product 1$1.00SHOP NOW!Sample product 2$2.00SHOP NOW!Sample product 3$3.00SHOP NOW!Sample product 4$4.00SHOP NOW!Sample product 5$1.00SHOP NOW!Sample product 6$2.00SHOP NOW!Sample product 7$3.00SHOP NOW!Sample product 8$4.00SHOP NOW! DLC Golden Torque Wrench SHOP NOW! Chris King 2 Nut Headset SHOP NOW!