High performance bottom bracket Machined from 6061-T6 aluminum with anodized black finish Premium 440C stainless steel bearings For installation/removal of notched cup BBs, use 12-notch for 46mm outside diameter BB tool, PK5832 TECH SPECSmodelHellbender 70
| model | Hellbender 70 |
| spindle interface | 30mm |
| shell | T47 internal |
| shell ID | 47mm |
| width | 85.5/89.5mm |
| color | black |
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