Pro Headset Carbon Expander Cap
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|Carbon||1-1 / 8||
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8 In stock, ready for despatch now
The best solution for forks which feature a 1-1/8 inch carbon composite steerer tube, where the use of a normal star nut is not advisable
Top Features of the Pro Headset Carbon Expander Cap
- Causes no scoring or marking inside the steerer
- Recommended for carbon composite steerer tubes
- For internal diameters from 23.5 to 25.4 mm
A-Headset top cap is made from carbon fibre, making it lightweight expanding inside the steerer tube for excellent grip.
A bicycle headset attaches the fork to the frame, they consist of bearings and races which allow the forks steerer to move within the frames headtube. There are a few types of headset, these are threaded and ahead. Threaded headsets are the older type and use a thread on the forks steerer to adjust, an ahead type has no thread and uses a top cap to adjust the tension. Ahead headsets come in three options, external cup, internal and integrated. Integrated and internal headsets use bearings which fit inside the headtube and provide clean lines, whereas the external cup system uses cups which fit into the frame but are still visible. Most will use cartridge bearings which last well and have very low maintenance requirements, one thing worth doing is to switch the top and bottom bearing periodically, as the bottom bearings are more prone to wear as they support the weight of the bike and rider.
About the Pro brand
PRO manufactures a range of handlebars, wheels, disc wheels, stems, overshoes, cycle computers and accessories for your bike. Over the last decade, the Shimano owned PRO brand has grown considerably into a major player on the bicycle accessory market. PRO's success has largely been down to its never-ending drive to improve and the fact it provides high quality cycle products at affordable prices.
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- Standard Delivery: Estimated Delivery within 8 working days – $15.01
Spend $63.36 more to qualify for free delivery
- Priority International Delivery: Estimated delivery within 6 working days - $21.63
- Tracked Courier Delivery: Estimated delivery within 4 working days - $34.99
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More information on International delivery options
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