# HG spline L2 — Bike drivetrain and groupset compatibility

For HG spline L2, manufacturer is SHIMANO; component type is freehub; speeds is 12; pairs with is ROAD 12-speed dedicated, recorded from its source on 2026-08-11.

- **Manufacturer:** SHIMANO _(our reading, not quoted from the source)_
- **Component:** HG spline L2 _(verified: appears in the quote below)_
- **Component type:** freehub _(our reading, not quoted from the source)_
- **Speeds:** 12 _(our reading, not quoted from the source)_
- **Pairs with:** ROAD 12-speed dedicated _(verified: appears in the quote below)_

## What the source says

> HG spline L2 (ROAD 12-speed dedicated) 18 37.65

## Source

- https://productinfo.shimano.com/pdfs/product/archive/2025-2026_Compatibility_v037_en.pdf

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