Enduro 3903 LLB ABEC 3 Bicycle Bearing (17 x 30 x 10 mm)

The entry standard for Enduro bearings. Enduro’s ABEC 3 bike bearings offer improved quality and performance over ABEC 1 bicycle bearings fitted by many OE manufacturers. Only the finest cycling components come standard with Enduro’s ABEC 3 bearings. With hardened chromium steel races, balls, and tough riveted steel retainers, these bearings are durable and the perfect low cost performance upgrade.

• Bearing Code: 3903-2RS
  
• id: 17 od: 30 width: 10 (mm)
• ABEC: 3 
• Grade: 10
• Seals: LLB
• Grease: Mobile HP 222
• Application: Hubs, Bottom Brackets
• Weight: 15.49g

More About Enduro

When it comes to keeping your mountain bike (MTB) running smoothly, the quality of your bicycle bearings matters. Enduro Standard Bearings are engineered to deliver dependable performance across a wide range of conditions—whether you're riding flow trails, grinding up technical climbs, or cruising on long-distance adventures. Trusted by bike manufacturers and mechanics worldwide, these bike bearings strike the perfect balance between durability, efficiency, and value.