Product details
60-Day Returns · Family Owned Since 1973 · Ships From Wisconsin
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Wheels Manufacturing Shimano BB30 Thread Together Outboard Bottom Bracket 68 or
About This Item
BB Wheels Manufacturing Shimano BB30 Thread Together Out BK
Top-notch bottom bracket
No more creaking, smoother operation, longer bearing life, and really quick bearing replacement.
Specifically designed for installing 24mm spindle Shimano cranks in BB30 (42mm ID BB shell) frames without the need for any adapters. Two machined aluminum cups thread together keeping the bottom bracket stable in the frame, increasing bearing life, and simplifying maintenance.
Key Features
BB30 Thread Together Outboard BB for 24mm spindle Shimano cranks
Machined aluminum cups thread together so bottom bracket remains stable in frame
Enduro ABEC-3 bearings and silicone dust seals
Tool Pattern: 44mm, 16-notch
Made in USA
Specifications
Part Number 558885
Color Black
Size 68 or 73mm x No axle
Model Year 2026
Weight 127g
Specifications
Brand Wheels Manufacturing
Condition New
Type Bottom Bracket
Part type Bottom Bracket
Bike type Bottom bracket
Size 68 or 73mm x No axle
Colour Black
Frame size 68 or 73mm x No axle
Manufacturer part number BB30-OUT-1
UPC 811079020376
Unbeatable Year-Round Bargains
Wheel & Sprocket has been family owned since 1973, with shops across Milwaukee, the Fox Valley, Madison and Chicagoland. Every order is picked and packed by people who ride, and if something is not right a mechanic will answer you — not a script.
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Wheel & Sprocket Outlet · Item 811079020376
Item specifics
| Color | Black |
|---|---|
| Size | 68 or 73mm x No axle |
| Type | Bottom Bracket |
| Sport Activity | Cycling |
| Part Type | Bottom Bracket |
| Model Year | 2026 |
| Frame Size | 68 or 73mm x No axle |
| Finish | Black |
| Department | unisex |
| Compatible Brand | Shimano |
| Bottom Bracket Shell Type | BB30 |
| Bike Type | Bottom bracket |
| Country of Origin | United States |
| Compatible Bike Type | Shimano Cranks |
