Fixed Pitch, Steel, H (AK,BK) Hubs, AK-H, 1 A Groove, Hubless, AK, 1 A Groove, Hubbed, 2AK-H, 2 A Groove, Hubless, 2AK, 2 A Grooves, Hubbed, BK-H, 1 B Groove, Hubless, BK, 1 B Groove, Hubbed, 2BK-H, 2 B Grooves, Hubless, 2BK, 2 B Grooves, Hubbed, 1B5V, 1 5V Groove, Hubless, 2B5V, 2 5V Grooves, Hubless, 2TB, 2 A or B Grooves, Hubbed, 3TB, 3 A or B Grooves, Hubbed, B (B5V) Hubs, P Hubs, Q1 (2TB) Hubs, FHP Shaft Bushing