Enduro Cartridge Bearings - MR 17287 LLB and MR 20307 LLB ABEC-5

Two Enduro radial cartridge bearings for hubs and bottom brackets. The MR 17287 LLB is an ABEC-3 bearing (17x28x7) with LLB seals; the MR 20307 LLB is an ABEC-5 radial bearing (20x30x7) with high-precision Grade 10 balls and C3 internal clearance. Both are steel cartridge bearings with a 90% grease fill behind labyrinth seals, built for hub and bottom bracket service. Choose your bearing above.

• MR 17287 LLB ABEC-3: EB8440, 17x28x7
• MR 20307 LLB ABEC-5 C3: 20x30x7, Grade 10 balls
• Use: Hubs and bottom brackets