United Supreme Headset BBs -Standard and Elite Cogs are

-Standard and Elite Cogs are CNC machined from heat-treated 4340 aircraft alloy steel for strength and     durability

TOP TUBE LENGTH 18

-LHD arm & RHD arm

-3/32″ tooth width for use with most race or MTB chains

-Aluminum center axle with chromoly studs and 3/8 x 24 thd alum nuts

United Supreme Headset BBs -Standard and Elite Cogs arePlease check with your local bike shop before making an online purchase from our website. If we have it in stock, they will have access to it. Do your best to support local shops, we need them in the scene! The United Supreme headset follows the same path as the rest of the line. Two precision sealed 45 x 45 bearings encased by 7075 T6 alloy top cap and variable 5mm & 2. 5mm spacers so you can adjust that front end to just how you like it.