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Summary of Contents for Prime PRIMAVERA
- Page 1 PRIMAVERA & DOYENNE 1-1/8” - 1.5” INTEGRATED TAPERED HEADSET HEADSET FITMENT MANUAL...
- Page 2 INDEX TOOLS 4 - 5 DIAGRAMS 6 - 10 DISASSEMBLY 11 - 16 ASSEMBLY...
- Page 3 The use of the correct tools is required to perform any tasks on the Prime headset, the use of incorrect tools may damage the headset if not correct which can lead to premature failure of the product which may void warranty.
- Page 4 DIAGRAMS WARNING Please note that the below diagram is for illustration purposes only, The top cap and compression ring design may differ between models or spec. Diagram is used purely for aiding with showing part names and descriptions that may be used throughout the guide. Part # Description Quantity...
- Page 5 Head Tube Requirements WARNING Please note that it is important to check key measurements on the frame that the Prime headset is being fitted to. Below diagram shows the key measurements required for all Prime headsets and must be followed. Failure...
- Page 6 DISASSEMBLY The following steps go through the disassembly of the headset for the purpose of replacing it with a Prime headset, each step should be followed precisely to avoid any error. This manual is subject to the frame and fork being compatible with the Prime headsets and should be checked before either purchasing or performing the disassembly or replacement of the headset.
- Page 7 3. Slide off and remove the stem and any headset/stack spacers. 4. Remove the existing headset top cap and any thin top cap spacers.
- Page 8 5. Remove the forks from the frame by pulling these down. The lower headset bearing may come out at the same time. Either way remove this bearing from either the fork or from the lower cup of the frame.
- Page 9 6. Remove the crown race of the fork steerer, the crown race removal tool may be required here depending on the design of the crown race. WARNING Please note that if the fork has a built in crown race step 6 will not be required. If you are unsure if your fork has a built in crown race it is advised to contact the fork manufacturer.
- Page 10 7. Remove upper headset bearing and compression ring. This concludes the main dismantle of the existing headset within a frameset ready for replacement with a Prime headset. WARNING It is advised to fully clean both frame and fork bearing surface/cups before replacement headset is assembled.
- Page 11 ASSEMBLY The following steps go through the assembly and replacement of a Prime headset, each step should be followed precisely to avoid any error. It is advised that through all the steps in the assembly that frame and fork should be cleaned before re-fitment and that the correct grease should be applied where stated.
- Page 12 2. Apply assembly grease to the crown race or fork bearing surface. 3. Slide the lower Prime headset bearing over the fork steerer and seat this onto the crown race/bearing surface. Ensure that the bearing is placed with the correct orrientation.
- Page 13 4. Apply assembly grease to the frame headset bearing cups as highlighted above 5. insert the top headset bearing into the frame ensuring that it is orientated correctly. Once seated press the compression ring into place within the top headset bearing.
- Page 14 6. Insert the fork into the frame until the lower headset bearing that is on the fork seats fully into the frame. 7. Slide the thin headset spacers over the steerer tube until it rests on the compression ring.
- Page 15 8. Slide the headset top cap on to the steerer tube until it sits against the thin headset spacers. 9. Slide on any headset stack spacers, followed by the stem.
- Page 16 11. Ensure the stem is aligned correctly then tighten the stem pinch bolts up using the necessary hex allen key to the stem manufacturers recommended torque setting. This concludes the assembly and replacement of a Prime headset. WARNING It is advised that a test ride is performed once the headset re-assembly is complete to ensure that everything has been fitted correctly.
- Page 18 HEADSET TECHNICAL MANUAL CARBON 8 1-1/8"+1.5" Carbon Taper Integrated Headset +0.2 28.6 41.8 39.8 -0.1 46±0.1 +0.1 Headtube OD: Taper 46mm/56mm Fork Steerer: Taper 1-1/8" to 1.5" Bearing: TS-Bearing Item Q'ty O-Ring +0.1 Top Cover 56±0.1 Seal Spacer Compression Ring Upper Bearing IS42/28.6 Lower Bearing IS52/39.8 51.8...
- Page 19 HEADSET TECHNICAL MANUAL CARBON 3 1-1/8"+1.5" Tapered Integrated Headset w/ Carbon Top Cover +0.1 28.6 41.8 46±0.1 +0.1 +0.1 39.8 Stack Height: 2.9+1 = 3.9mm +0.05 52.1 56±0.1 Headtube OD: 46mm Upper / 56mm Lower Fork Steerer: 1-1/8" to 1.5" Tapered Bearing: TS Bearings Q'ty Item...
- Page 20 ALLOY 8 Upper Bearing IS42/28.6 Lower Bearing IS52/39.8...
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