Reach Adjust ZS49-ZS49 Headset, To Suit 1 1/8" Steerer Tube - 3mm
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Description
This Reach Adjust headset allows you to adjust your bikes reach by +-3mm
Fits Headtube Internal Diameter: Upper - 49mm: ZS49
Fits Headtube Internal Diameter: Lower - 49mm: ZS49
Upper Cup Insertion Depth: 12mm
Lower Cup Insertion Depth: 12mm
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: 41mm OD, 45 x 45 Degree AC sealed bearing
To suit standard 1 1/8" forks.
Headset comes complete with top-cap (star-nut included), bearings and crown race - all parts required for fitment.
We use the 'SHIS' standard to label our headsets - For SHIS info please refer to the Park Tools information page - Standardized Headset Identification System | Park Tool
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

Reach Adjust ZS49-ZS49
Change your bikes geometry to suit you - with our World Cup proven reach adjust headsets you can alter stock geometry, changing the way your bike rides and feels to better match your personal riding style.

This headset will allow you to alter your top-tube length by +/- 3mm.
This Reach Adjust ZS49 ZS49 fits headtube internal diameter:
Upper - 49mm
Lower - 49mm

Manufactured in the UK
All of our Angle and Reach Adjust Headsets and Chainrings are CNC machined by us in-house in the UK and supplied globally. We anodise locally from 6082 T6 aluminium.
We pride ourselves on the quality of everything we make to meet the highest of World Cup standards.
Used By The Best
Our Reach Adjust headsets are used by the best riders in the world.
Lou Ferguson goes through her 2024 Hardline Tasmania setup.
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.