This Deda Top Cap is no longer available although you may find similar or newer versions below:
Top cap for Deda stems.
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.
Deda Elementi design and manufacture high quality stems, handlebars, aerobars, transmissions and cycling accessories suitable for proffesionals to the recreational cyclist. Deda Elementi clearly assert their own way of thinking about designing components for competition bicycles. Whether you step out from your home to participate in Milano-Sanremo, or just to go for a ride with your friends, Deda Elementi produces components for your bicycle with exactly the same care and passion. Deda Elementi take components seriously, and they put the very same experience and engineering into the components for champions as they do for the most important bike in the world: yours.
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Executive Director: Stefan Barden.