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Fit the Slackerizer to adjust the headtube angle of your frame by +2 or -2 degrees, choose from our range of fitments to customise your unique headset. By accurately 5-axis machining the cups to create an eccentric path for your steerer through your headtube, the Slackerizer can breathe new life into a frame by tuning the geometry to your needs. Fully sealed bearings and custom made NBR seals to keep out dirt and water, offering a long lifespan in the worst conditions. An innovative retained compression ring and split crown race makes assembly easy.
New range of high quality angle adjustment headsets manufactured in the UK by Superstar's in house manufacturing facility in Lincoln. Manufactured to the highest tolerances these headsets are a perfect fit and forget multi-sealed replacement for the cheap and nasty product normally fitted to complete bikes to keep manufacturing costs down.
Complete kits designed for the most popular frame fitment.
- This headset will only work with 1 1/8" steerer tube forks (except taper specific models).
- Check you have sufficient clearance inside of your headtube to allow fitment, some headtubes reduce in diameter internally and will not work.
- We manufacture our headsets to the IS standard set out by Cane Creek. The tolerances are measured in microns, but if your headtube is oversized, ovalised or worn your headset may not function correctly or creak. This is not a fault with the product but a faulty frame.
- We reccomend careful pressing with a quality headset press. Alignment lines are provided on the cups.
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Fit with the model name and allignment line pointing forwards at the top and backwards in the bottom cup for slacker head angle assembly. For steeper angle install the other way round.
Spares available - Topcap Kit, Bearings and Seals
HOW TO PICK THE CORRECT MODEL:
There are 2 parts to the headset the type and the length. T1-4 for example is Type1 (EC44/EC44) and length 4 (120-130mm)
1. Select the Type based on the internal diameter of your headtube and steerer type
2. Select the length of your headtube EXCLUDING ANY CUPS
3. Original cup type is not often possible, as usually ZS type change to EC type to give enough room to tilt the bearings.
4. Thats all!
Type 1 - EC44/EC44 (ZS44/ZS44)
Type 2 - EC44/ZS49 (ZS44/ZS49)
Type 3 - EC44/ZS56 (ZS44/ZS56)
Type 4 - ZS49/ZS49
Type 5 - TAPER STEERER EC44/EC49 (ZS44/ZS49)
Type 6 - TAPER STEERER ZS49/EC49 (ZS49/ZS49)
Type 7 - TAPER STEERER EC44/ZS56 (ZS44/ZS56)
Type 8 - TAPER STEERER EC44/EC44 (ZS44/ZS44)
Length 1 = 90-100mm
Length 2 = 100-110mm
Length 3 = 110-120mm
Length 4 = 120-130mm
Length 5 = 130-140mm
If your on the borderline between 2 sizes it doesnt matter which one you choose!
NOTE: It is not possible to make an angle headset for IS type headsets because the tolerance of a drop in bearing fit is far too slack to make a pressfit cup fit safely.
Handy Information for SHIS headset size identification CLICK HERE
Top Cups:
EC44 - Stack Height 16.5mm – Insertion 10mm
ZS49 - Stack Height 8.5mm – Insertion 10mm
Bottom Cups:
EC44 - Stack Height 13.5mm – Insertion 10mm
ZS49 - Stack Height 6.5mm – Insertion 10mm
EC49 - Stack Height 13.5mm – Insertion 10mm
ZS56 - Stack Height 6.5mm – Insertion 10mm
ZS56 TAPER - Stack Height 6.5mm – Insertion 10mm
