Tange Bb Set Tange 1Pc Bb-220Sb-Sealed 24Tpi Review Posted by GiantPandaisy May 15, 2018 in Drivetrain Components Product Details Sealed cartridge bearing and cups for one-piece cranks Sku Info Shell 68mm Interface 24 tpi Spindle Type OPC Cup Material Steel Weight 312g Cycling Outdoor Recreation Parts & Components Sports & Outdoors Tange