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2016 Braveheart Ride
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 General Discussion (Time Trialing)
 Fixed wheel TT gearing
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Gaining Speed

117 Posts

Posted - 19 Aug 2015 :  11:00:24  Show Profile  Reply with Quote
Just finished experimenting with a 106" gear at the 50 up in Fife at the weekend and noticed my average cadence was bang on 80. Should this be higher for open road TT's (rolling courses), meaning I should be using a smaller gear again?

It would be great if some of the old timers from back in the day could remember the gearing they used. I'm sure my old mate, Ian MacMillan of the GRC told me 88" was the biggest gear he used to use?

Many thanks again.


"Change is bad"
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Speed Limits N/A

1050 Posts

Posted - 19 Aug 2015 :  11:24:07  Show Profile  Reply with Quote
Does it not depend on how you turn the pedals? I wouldnt want to turn 80rpm for 50 miles I like to be 90-100rpm but some may even go lower than you. Id suggest its personal preference, what works for one may not work for another.

PS Great ride it was too :-)
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Speed Limits N/A

1073 Posts

Posted - 20 Aug 2015 :  14:32:00  Show Profile  Reply with Quote
[i]Originally posted by Graham McG[/i]
[i]Originally posted by Bill Aberdeen[/i]

Yes youth and junior records are impressive despite this stupid gear restriction. When I became a junior I instantly took several minutes of my PBs solely because I was no longer forced to spin stupidly small gears.

Fairly sure the reasoning behind the restriction for youths and juniors was to prevent undeveloped youngsters injuring themselves trying to emulate drag strip testers of the 70s and 80s who would turn 58 x12. I'm sure somebody more qualified than me will be able to say how much basis this has in human physiology, but, for me anyway, the old adage of 'If you can't spin a small gear, you won't be able to turn a big one.' holds true, so 'stupidly small gears' doesn't seem a valid description.
You may also have improved your times because you were a bit older and a bit stronger - obviously an 18 year old will be faster than his younger self (assuming he hasn't discovered nooky, drink and cars).

I've have yet to hear a good reason for having junior and youth gear restrictions; if there was a case for it you would have different gear restrictions for uphill and downhill, headwind and tailwind, enforcement would be interesting. CTT in england have never had youth gear restrictions. My first experience of a cycling club taught me to develop high cadence and i took to heart what I read in a book about cycle touring," use the lowest gearing that is comfortable to pedal". No restrictions in mountainbiking either, which is where most youths are starting these days. I my opinion the only thing acheived by the restrictions is to keep road cycling as a clique for existing riders offspring and to put off the riff raff.
In relation to consistant TT eforts, the triathlon brigade seem to have decided that ideal cadence is dependant on the individual.
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Setting Off

75 Posts

Posted - 01 Jun 2017 :  21:32:16  Show Profile  Reply with Quote
Could someone who's ridden the A77 10 course on a fixed wheel point me in the right direction gear-wise, please?
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