Nova PF30 BB Shell 68mm Center Relieved
- PF30 Superlight Lug less Bottom Bracket- Center Relieved & Externally reinforced for 68mm
- This shell has an external "hoop" reinforcement to resist “ovalization” from welding.
- The inside is also relieved for better weld-ability and reduced weight.
- CNC Machined from 4130 Seamless Stock
- Width: 68.15mm- requires little or no finishing
- Outside Diameter: 49.4mm
- Outside reinforcement hoop Diameter:50.6mm
- Inside diameter at the PF30 interface: 45.4mm- the part is delivered underside and must be finish reamed to 46.00
- Depth of inside diameter reinforcement: 10mm before relief
- Inside diameter is relieved to 46.9mm leaving a 1.25mm wall in the thin section.
- 68.1mm Wide with internally relieved center.