Haro Derailleur Hanger - Masi Vincere, Bianchi & Multi-Brand Replacement

Haro Derailleur Hanger - Masi Vincere, Bianchi & Multi-Brand Replacement
Restore precise shifting performance and protect your frame with this direct-fit replacement rear derailleur hanger. Compatible with Masi road/gravel models (including Vincere and Brunello ADX series), Bianchi Impulso and Nirone road/all-road lines, Marin, Author, Dema, Calibre, and other major brands. Engineered from durable alloy to absorb impact and prevent costly frame damage

Haro Derailleur Hanger - Masi Vincere, Bianchi & Multi-Brand Replacement

Ensure precise gear indexing and safeguard your bicycle frame with this high-quality replacement rear derailleur hanger. Designed as a sacrificial component, it absorbs impacts from trail debris, drops, or crashes to prevent severe damage to your frame and rear derailleur. Engineered for exact fitment, this alloy hanger restores smooth, quiet shifting across a wide variety of road, gravel, and mountain bike models.

Frame Protection & Precision Performance

• Exact OEM Fitment: Replaces bent or broken hangers to restore accurate shifting geometry across compatible frames.


• Durable Alloy Construction: Built to handle high chain tension while providing engineered shear protection during heavy impacts.


• Multi-Brand Compatibility: Extensive fitment covering premium road, gravel, and mountain bike models from Masi, Bianchi, Marin, Author, Dema, and Calibre.

Detailed Model Compatibility

Masi Models:

• Vincere Series


• 2022 Brunello Series: ADX, FB Nove, GRX11, GRX22, R10

Bianchi Models:

• Impulso AllRoad & Impulso E-Road (Central Engine)


• Nirone Road & Nirone AllRoad


• E-Doardo

Marin Models:

• Eldridge Grade 3 (2021)


• Palisades Trail 3 (2021)

Author Models:

• Context 29 / Context 29 ASL (2020–2021)


• Egoist 29 (2020–2021)


• Orion 29 (2019–2020)


• Vision 29 (2020–2021)

Dema Models:

• Boost (2021–2023)


• Ergo & Gama (2022–2023)


• Omega (2020–2022)


• Relay (2021–2022)


• Whippet (2022–2023)

Calibre Models:

• Line 10 (2020)


• Line 29 (2020)

Other Compatible Brands:

• Blue, Conway, Kross, Megamo, Pells, Rock Machine, Sonder, Superior, Tifosi, WRC

Product Specifications

• Type: Rear Derailleur Hanger


• Material: Aluminum Alloy


• Includes: 1 x Derailleur Hanger (Mounting hardware included where applicable)