The Campagnolo FH-HGA33 freehub body is the reference spare part to convert your high-end Campagnolo wheels (Bora Ultra WTO, Shamal Carbon, Levante, Hyperon Ultra) for use with Shimano HG-EV 10 to 12-speed cassettes. This machined aluminum freehub body with a 33 mm ratchet diameter offers extended compatibility and proven reliability for modern road configurations.
Technical highlights
- Universal Shimano HG-EV compatibility: accepts Shimano 10, 11, and 12-speed cassettes (HG-EV), offering complete flexibility for the drivetrain.
- Lightweight aluminum construction: only 77 grams to preserve the overall wheel weight.
- 3-pawl Ø33 mm system: reliable engagement and progressive gearing of the freehub mechanism.
- 15 mm aluminum axle: designed for modern Campagnolo hubs with aluminum axle (not compatible with old generation steel axles).
Campagnolo wheel compatibility
This FH-HGA33 freehub body is compatible with the following disc brake and rim brake Campagnolo wheels, from 2021 model years and later:
- Bora Ultra WTO 33 DB, 45 DB, 60 DB (2021 models and after)
- Shamal Carbon C21 DB (2021+)
- Levante
- Hyperon Ultra (2023 and after)
- Hyperon (2023)
- Zonda GT
- Bora X, Shamal (TC23)
- Bora Ultra WTO TT
- Bora WTO DB TC19 (specific codes: Bora WTO 33, 45, 60)
Installation and maintenance
Removal and installation of the freehub body require a standard cassette lockring tool (Park Tool BBT-5 type or equivalent). Warning: this freehub body is reserved for Campagnolo wheels with aluminum axle — always verify compatibility in the Campagnolo technical documentation before purchase. Regular maintenance (cleaning, light lubrication of pawls) extends the mechanism's service life.
Available variants
- FH-HGA33: Standard silver aluminum version, steel bearings (EAN 8053340456701) — this reference.
- FH-HGA33USB: Version with USB ceramic bearings for reduced friction and smoother rotation (industrial code R2108071S1A) — black color.
- FH-XDRA33 / FH-XDRA33USB: Variants for SRAM XDR 11/12-speed cassettes (EAN 8053340456718 for standard XDR), 33 mm diameter.
- FH-N3WA33: Variant for Campagnolo N3W 11/12/13-speed cassettes (Campagnolo proprietary standard).
| Feature | Value |
|---|---|
| Type | Freehub body |
| Material | Aluminum |
| Cassette compatibility | Shimano HG-EV 10/11/12-speed |
| Ratchet diameter | 33 mm |
| Freehub system | 3 pawls |
| Axle diameter | 15 mm (aluminum) |
| Weight | 77 g |
| Color | Silver |
| Wheel compatibility | Bora Ultra WTO 33/45/60 DB (2021+), Shamal Carbon C21 DB (2021+), Levante, Hyperon Ultra (2023), Zonda GT, Bora X |
| Use | Road |
| Important note | Only for Campagnolo wheels with aluminum axle |
| Industrial code | R2107841S1A |
| EAN | 8053340456701 |
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