Wheels MFG BB30 Outboard ABEC-3 Bottom Bracket - BB30-OUT-7

Two machined aluminum cups thread together keeping the bottom bracket stable in the frame, increasing bearing life, and simplifying maintenance. This means no more creaking, smoother operation, longer bearing life, and really quick bearing replacement.

Specifically designed for installing 22 mm/24 mm spindle diameter cranks (SRAM / Truvativ GXP) in BB30 (42 mm ID BB shell) frames without the need for any adapters.

Features:

• Bearings: Enduro ABEC-3
• Color: Black
• Bottom Bracket/Frame Interface: BB30, Specialized Alloy OSBB
• Bottom Bracket Shell Width: 68 mm - 73 mm
• Bottom Bracket Shell I.D.: 42 mm
• Over Bearing Width: 91.0 mm in 68 mm wide shell
• Crank Spindle Diameter: 22 mm/24 mm
• Tool Pattern: 44 mm, 16-notch
• Weight: 148 g

Compatibility:

• BB30
• Specialized Alloy OSBB
• 22/24 mm stepped spindle diameter cranksets, like SRAM & Truvativ GXP

Installation Instructions