BB 6806 LLB OSID-bx - Enduro Bearings 6806 LLB OSID - 1-1/8" Laager: Headset bearing, 30.2x42x7 mm (45o ID) Primary application for this bearing size is as a direct replacement on some Pinarello bikes. - 811780021990

BB 6808 LLB BO 45-bx - Enduro Bearings 6808 LLB ABEC 3 Black Oxide Laager: Headset bearing, 40x52x7 mm (45o ID) - 810191010425

ACB 3645 1125 SS-bx - Enduro Bearings ACB 3645 1125 Stainless Steel 1-1/8" Laager: Headset bearing, 30.5x41.8x6.3 mm (36x45o) - 8101910198930

ACB 3645 BOCC-bag - Enduro Bearings ACB 3645 CC Black Oxide 1-1/8" Laager: Headset bearing, 30.2x41x6.5 mm (36x45o). This size bearing is also known in the bike Industry by these part numbers: 27287-1046-004, HSS0130K. - 8101910134402

ACB 3645 SS-bag - Enduro Bearings ACB 3645 Stainless Steel 1-1/8" Laager: Headset bearing, 30.2x41x6.5 mm (36x45o) This size bearing is also known in the bike Industry by these part numbers: 27287-1046-004, HSS0130K. - 8117800220414

ACB 4545 1125 BO-bag - Enduro Bearings ACB 4545 1125 Black Oxide 1-1/8" Laager: Headset bearing, 30.5x41.8x6.5 mm (45x45o) This size bearing is also known in the bike Industry by these part numbers: MR042, 870E, MR121. - 8101910134716

ACB 4545 125T SS-bx - Enduro Bearings ACB 4545 125T Stainless Steel 1-1/8" Laager: Headset bearing, 34.1x46x67 mm (45x45o) This size bearing is also known in the bike Industry by these part numbers: MR168, 970S, IS46. - 8117800236422

ACB 4545 136 SS-bx - Enduro Bearings ACB 4545 136 Stainless Steel 1-1/4" Laager: Headset bearing, 32.75x41.75x6 mm (45x45o). This size bearing is also known in the bike Industry by these part numbers: MR136, ACB418H6 - 811780022942