0.5 Degree ZS44-ZS56 Angle Headset - To Suit Tapered Steerer Tube
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Specifications
Fits Headtube Internal Diameter: Upper - 44mm: ZS44
Fits Headtube Internal Diameter: Lower - 56mm: ZS56
Upper Cup Insertion Depth: 9mm
Lower Cup Insertion Depth: 11.5mm
Upper Cup Stack Height: 3mm - Total upper stack height including bearing cover: 8mm
Lower Cup Stack Height: 3mm
Upper Bearing: 41mm OD, 45 x 45 Degree AC sealed bearing
Lower Bearing: 52mm OD, 45 x 45 Degree AC sealed bearing
If you are running a 1 1/8" fork you will need to purchase the reducer crown above - this headset comes as standard with a crown race to suit tapered forks.
Description
This 0.5° angle headset features a ZS44 upper and ZS56 lower cup design, allowing for precise and subtle adjustments to your bike’s head tube angle. Ideal for riders looking to fine-tune handling and stability without major changes to frame geometry. Manufactured with high-tolerance CNC machining, it’s perfect for riders seeking improved control and ride feel.
What's in the Box
2x Headcups
2x Bearings
1x Crown Race
1x Upper Bearing Cover
1x Topcap including Star-Nut
1x Compression Ring and Spacer

ZS44-ZS56
Change your bikes geometry to suit you - with our World Cup proven angle headsets you can alter stock geometry, changing the way your bike rides and feels to better match your personal riding style.
The 0.5 degree ZS44 ZS56 headset allows you to slacken your bikes head angle to gain more stability or steepen your bikes head angle if you are looking to sharpen your bikes steering.

Is the ZS44-ZS56 the right Headset for you?
Click below to see our Angle Headset buying guide!

Manufactured in the UK
CNC Machined, Designed and Anodised in the UK.
Performance trusted by World Cup riders.
Add a Custom Topcap
If bought with any of our angle or reach adjust headsets you can get a custom topcap discounted to 50% at checkout.
Description
Customisable Top-Cap, laser etched to order.
Add your own text to 9 different designs and multiple colour options.
Design 1,2 and 3 use the "Poppins" font, Design 4 uses the "Slaytanic" font. Design 5 uses "AmazDoo", Design 6 uses the "Poppins" font. Designs 7 and 8 use "Bungee" and Design 9 uses "AmazDoo".
Made from 6082 Aluminium, Anodised in the UK - complete with stainless steel bolt and star-nut.
Available in: Black, Blue, Red, Purple, Orange, Gold, Silver and Turquoise and Bronze.