Derailleur Hanger 433

Derailleur Hanger 433 is a precision-engineered component designed to protect your Boardman bike frame while ensuring smooth and reliable gear changes. Also known as a mech hanger, boardman gear hanger, or mech dropout, a derailleur hanger is a small metal piece attached to the rear frame of your bike. Its main purpose is to absorb impact or strain, bending or breaking in the event of a crash to prevent damage to your frame.

This derailleur hanger has been engineered to deliver reliable performance across multiple bike brands, offering a robust and affordable upgrade over standard cast hangers. Precision alignment ensures consistent shifting and dependable drivetrain performance.

Derailleur Hanger 433 is compatible with selected bike models from Whyte, Calibre, Polygon, and Forme, in addition to some Carrera Furnace models.

This Whyte derailleur hanger specifically fits models: 20-C Works XX (2012), 20-C Team (2012–2013), 20-C S (2012–2013), 20-C (2012–2013), 29-C Team (2013–2016), 29-C S (2012–2016), 29-C (2012–2015), Montpellier (2013–2014), 20-C S (2017–2018), 20-C Team (2017–2018)

Why Choose BETD Derailleur Hangers?

All of our derailleur hangers are designed and manufactured in the UK at BETD in Stoke-on-Trent. Each gear hanger is CNC machined from 6082 T6 aluminium, offering superior strength, excellent durability, and consistent shifting performance compared to standard cast hangers. Backed by over 20 years’ experience in the cycling industry and a range of more than 400 derailleur hangers, BETD ensures you’ll find the perfect fit with confidence.

With a classic black anodised coating, all of our mech hangers are finished to suit any bike, while providing long-lasting protection and dependable performance. At BETD, we pride ourselves on high-quality components and responsive customer service, ensuring you get the right part with confidence. Not sure which derailleur hanger is compatible with your bike model? Speak to our expert team for help and advice.