- Front Hub – No cross-compatibility with standard INDR hub parts – All INDR PRO Front hub internals are dedicated to INDR PRO Front Hubs
- Rear Hub –
- Ratchets are cross-compatible. The INDR PRO ratchets are lighter, however.
- The driver body seal is the same across the models
- The rear axle is the same across the models
- Drive-side end-caps are linked to their corresponding driver bodies.
- The drivers are cross-compatible but some configurations will require the blue spacer (see below)
- INDR Pro freehubs are machined down for additional weight savings and come standard with ceramic bearings
| Drivers | Endcap | Spacer |
| HG Premium/Foundation | HG | Yes |
| XD-R Premium/Foundation | XD/XD-R | Yes |
| MS Premium/Foundation | MS/N3W | Yes |
| N3W Premium/Foundation | ||
| HG Pro | HG Pro | No |
| XD-R Pro | XD-R Pro | No |
Summary:
- Using a non-PRO freehub on a PRO hub will require the blue spacer.
- Using a PRO freehub on a PRO hub will not require a blue spacer.
- Using a PRO freehub on a non-Pro hub will not require a blue spacer.
- To obtain the blue hub spacer included in standard INDR hub, please order this bearing kit from your authorized ENVE dealer: 100-4006-127.