Durable, hard-wearing sealed cartridge bottom bracket with JIS (Shimano) square tapered spindle fitting for single ring cranksets.

Super-accurate sealed bearings ensure smooth operation and improved durability. Maintenance-free sealed cartridge bearing assembly keeps out dirt, mud, and water for long bearing life.

• English Threading:
• 113/68 (BLB Pista Vera Crankset)
• 107/68 (BLB Track Crankset)
• 103/68 (Sugino Crankset)
• Italian Threading:
• 113/70 (BLB Pista Vera Crankset)
• 107/70 (BLB Track Crankset)
• 103/70 (Sugino Crankset)
• Square taper (JIS/Shimano)
• Sealed Bearings
• Compatible with Shimano bottom bracket tools