# HG 11/12 speed road freehub — Bike drivetrain and groupset compatibility

For HG 11/12 speed road freehub, manufacturer is Shimano; component type is freehub; speeds is 12; pairs with is road 11 speed AND 12 speed cassettes, recorded from its source on 2026-08-11.

- **Manufacturer:** Shimano _(our reading, not quoted from the source)_
- **Component:** HG 11/12 speed road freehub
- **Component type:** freehub _(our reading, not quoted from the source)_
- **Speeds:** 12 _(our reading, not quoted from the source)_
- **Pairs with:** road 11 speed AND 12 speed cassettes _(verified: appears in the quote below)_
- **Condition:** 1.85mm spacer _(per lightbicycle.com, not stated by the source above)_

## What the source says

> Since 11 speed mountain cassettes fit on 8-10 speed freehubs, this HG road freehub is intended for road 11 speed AND 12 speed cassettes.

## Sources disagree

More than one authority states this, and they do not state the same
thing. Both are reproduced with the source each came from.

### Speeds

lightbicycle.com says speeds is **12**, as of 2026-08-11.

> Since 11 speed mountain cassettes fit on 8-10 speed freehubs, this HG road freehub is intended for road 11 speed AND 12 speed cassettes.

Source: https://www.lightbicycle.com/newsletter/Bike-Freehub-Cassette-Compatibility-Manual.html

lightbicycle.com says speeds is **11**, as of 2026-08-11.

> You can, however, run an 8, 9 or 11 speed mountain cassette on these with a 1.85mm spacer.

Source: https://www.lightbicycle.com/newsletter/Bike-Freehub-Cassette-Compatibility-Manual.html

lightbicycle.com says speeds is **10**, as of 2026-08-11.

> If you want to run your Shimano 10 speed cassette, you can add a 1mm and 1.85mm spacer.

Source: https://www.lightbicycle.com/newsletter/Bike-Freehub-Cassette-Compatibility-Manual.html


### Pairs with

lightbicycle.com says pairs with is **road 11 speed AND 12 speed cassettes**, as of 2026-08-11.

> Since 11 speed mountain cassettes fit on 8-10 speed freehubs, this HG road freehub is intended for road 11 speed AND 12 speed cassettes.

Source: https://www.lightbicycle.com/newsletter/Bike-Freehub-Cassette-Compatibility-Manual.html

lightbicycle.com says pairs with is **8, 9 or 11 speed mountain cassette**, as of 2026-08-11.

> You can, however, run an 8, 9 or 11 speed mountain cassette on these with a 1.85mm spacer.

Source: https://www.lightbicycle.com/newsletter/Bike-Freehub-Cassette-Compatibility-Manual.html

lightbicycle.com says pairs with is **Shimano 10 speed cassette**, as of 2026-08-11.

> If you want to run your Shimano 10 speed cassette, you can add a 1mm and 1.85mm spacer.

Source: https://www.lightbicycle.com/newsletter/Bike-Freehub-Cassette-Compatibility-Manual.html


## Source

- https://www.lightbicycle.com/newsletter/Bike-Freehub-Cassette-Compatibility-Manual.html

Last verified: 2026-08-11. Review by: 2027-08-11.
Part of [Bike drivetrain and groupset compatibility](https://referencesource.org/bike-drivetrain-groupset-compatibility/).