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So I bought a new bike and the specs of the bike online said the front hub is a sealed Giant unit. In the bike shop I checked all specs except the hubs for some reason (trusted the web specs). Then I see the front hub is not a sealed unit and not a Giant hub either. (The rear hub is also not a Giant hub, different to the web specs) Dragons sports are the guys to contact and Gavin Salt tells me they made a running change and on dragon's website it is stated that the front hub is a non sealed unit and not a Giant hub. I didn't even think to check dragon's site beforehand to check for specs. Kinda disappointing. Gavin basically said it makes no difference and if I want a sealed hub I must wait until next year and then there may be rotor compatibility issues. Any thoughts on this from anyone who knows more than I do? And how much better is a sealed hub?

CYCLISTS WANTED FOR UCT RESEARCH DOES SLEEP DEPRIVATION IMPAIR EXERCISE RECOVERY? The aims of this study are (i) to describe the sleep habits of recreational male cyclists and to relate this to an aspect of their genetic makeup associated with preference for mornings or evenings, as well as sleep timing, and (ii) to compare individuals recovering from a single bout of high intensity interval training following either partial sleep deprivation or normal sleep. We are looking for trained recreational cyclists. If you: Are a male between 20 and 50 years of age Train at least three days per week for at least one hour per session Have a current Argus Cycle Tour time of under 03h45min You can volunteer for this study What is involved? Part A: Complete a questionnaire, donate cheek cell sample to determine your genetic variant for a gene linked to sleep behaviour, perform submaximal and maximal (VO2max) cycle tests. Part B: Have your performance, immune, inflammation and muscle damage responses measured in response to a single high intensity interval training session when you are either sleep deprived, or have had a normal night of sleep. What are the benefits? Personal and general feedback at the end of the study describing the sleep habits of recreational cyclists, as well the effect of sleep deprivation on exercise recovery. If you are interested in taking part in the study and would like additional information, please contact: Tayla Chin Kagiso Dikgomo taylachin@gmail.com kagiso.dikgomo@gmail.com 076 043 6795 074 121 0868