Product details
60-Day Returns · Family Owned Since 1973 · Ships From Wisconsin
ShopAboutFeedback
Wheels Manufacturing Shimano BB30 Thread Together Outboard Angular Contact
About This Item
BB Wheels Manufacturing Shimano BB30 Thrd Together Out AC 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 Angular Contact BB for 24mm spindle Shimano cranks
Machined aluminum cups thread together so bottom bracket remains stable in frame
Enduro Angular Contact bearings and silicone dust seals decrease friction and minimize wear
Tool Pattern: 44mm, 16-notch
Made in USA
Specifications
Part Number 558886
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-3
UPC 811079020390
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.
Shop The Outlet Store
Wheel & Sprocket Outlet · Item 811079020390
Item specifics
| Condition | New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ... |
|---|---|
| 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 |
| Brand | Wheels Manufacturing |
| Country of Origin | United States |
| Compatible Bike Type | Shimano Cranks |
