TT equipment benifits
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TT equipment benifits
Postby Romper » Thu Apr 29, 2010 9:19 am
Romper! now stiff yet vertically compliant
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Re: TT equipment benifits
Postby Romper » Thu Apr 29, 2010 9:19 am
For all the TT noobs out there
Romper! now stiff yet vertically compliant
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Re: TT equipment benifits
Postby mikesbytes » Thu Apr 29, 2010 10:43 am
after reading that I'm definitely going to use shoe coversRomper wrote:
view the rest of the article here http://www.cyclingtipsblog.com/2010/04/ ... equipment/
If the R-1 rule is broken, what happens to N+1?
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Re: TT equipment benifits
Postby Romper » Thu Apr 29, 2010 12:53 pm
Yeah I was surprised by the shoe covers
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Re: TT equipment benifits
Postby mikesbytes » Sat May 01, 2010 10:26 pm
If the R-1 rule is broken, what happens to N+1?
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Re: TT equipment benifits
Postby sogood » Sun May 02, 2010 11:15 am
Not too surprised if one considers the position of the shoes, how big some people's feet are and how irregular those shoe buckles are. There's nothing smooth on the top surface of cycling shoes.Romper wrote:Yeah I was surprised by the shoe covers
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Re: TT equipment benifits
Postby MiG » Sun May 02, 2010 5:15 pm
That's a really nice short and sweet summary of what matters and what doesn't.
Notice that the aero frame is worth 17 s but it's probably the most desired and drooled over contribution, with wheels a close second place. Skinsuits get you labeled a tryhard moron despite being the most effective component (although that seems a bit suspicious).
I say bring out the classic round tube frames (even steel). The fashion for fancy carbon isn't healthy for the average rider's finances and relations with the significant other.
FYI, I've done most of my night time TTs on the velodrome on a steel fixed gear bike, but with the following optimisations:
Nice tyres ($33 from the UK) and latex tubes
Riding topless if it's over 15 deg C ($0)
Clip on aerobars ($50 from T7) and the bars slammed as low as they go
Limar Crono TT helmet ($70 on special from T7 and aus approved!!)
Unfortunately I'm no powerhouse and can only muster a 37.2 km/h 10 mi TT with an average heart rate of 172
Yes I look like an idiot but for a small expenditure I'm going faster than I otherwise could and speed makes me feel good.
Notice that the aero frame is worth 17 s but it's probably the most desired and drooled over contribution, with wheels a close second place. Skinsuits get you labeled a tryhard moron despite being the most effective component (although that seems a bit suspicious).
I say bring out the classic round tube frames (even steel). The fashion for fancy carbon isn't healthy for the average rider's finances and relations with the significant other.
FYI, I've done most of my night time TTs on the velodrome on a steel fixed gear bike, but with the following optimisations:
Nice tyres ($33 from the UK) and latex tubes
Riding topless if it's over 15 deg C ($0)
Clip on aerobars ($50 from T7) and the bars slammed as low as they go
Limar Crono TT helmet ($70 on special from T7 and aus approved!!)
Unfortunately I'm no powerhouse and can only muster a 37.2 km/h 10 mi TT with an average heart rate of 172
Yes I look like an idiot but for a small expenditure I'm going faster than I otherwise could and speed makes me feel good.
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Re: TT equipment benifits
Postby Chaderotti » Sun May 02, 2010 7:41 pm
Sorry MiG I don't agree, I have aero bars on my track bike, I popped them all the way down with all the spacers stacked on top vs what was recommended for me...... I just now hope I'm not sterile.MiG wrote: Clip on aerobars ($50 from T7) and the bars slammed as low as they go
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Re: TT equipment benifits
Postby MiG » Sun May 02, 2010 10:32 pm
Do you mean slammed is too low for you? It likely is. It depends on bike size and leg length (affects saddle height). On my fixed gear it gets my back about horizontal. On my ghetto TT hybrid it was too low (back below horizontal and difficult to pedal) because the head tube is shorter and the aftermarket forks are short with minimal 23c tyre clearance. Regarding numbness and sterility, you need a seat that suits the aero position. My Prologo Bonedge tri and Selle SMP Extra are OK but more common saddles like the Fizik Arione are torture for me.Chaderotti wrote:Sorry MiG I don't agree, I have aero bars on my track bike, I popped them all the way down with all the spacers stacked on top vs what was recommended for me...... I just now hope I'm not sterile.
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Re: TT equipment benifits
Postby Alex Simmons/RST » Mon May 03, 2010 7:31 am
The relative improvements will vary rider to rider, especially so with position changes and with helmets.MiG wrote:That's a really nice short and sweet summary of what matters and what doesn't.
Notice that the aero frame is worth 17 s but it's probably the most desired and drooled over contribution, with wheels a close second place. Skinsuits get you labeled a tryhard moron despite being the most effective component (although that seems a bit suspicious).
I say bring out the classic round tube frames (even steel). The fashion for fancy carbon isn't healthy for the average rider's finances and relations with the significant other.
FYI, I've done most of my night time TTs on the velodrome on a steel fixed gear bike, but with the following optimisations:
Nice tyres ($33 from the UK) and latex tubes
Riding topless if it's over 15 deg C ($0)
Clip on aerobars ($50 from T7) and the bars slammed as low as they go
Limar Crono TT helmet ($70 on special from T7 and aus approved!!)
Unfortunately I'm no powerhouse and can only muster a 37.2 km/h 10 mi TT with an average heart rate of 172
Yes I look like an idiot but for a small expenditure I'm going faster than I otherwise could and speed makes me feel good.
For example, I tested that Limar on myself using field test protocols with power meter on indoor velodrome and gained no aerodynamic benefit over my standard mass start helmet. Other riders would gain a significant improvement with same helmet. It all depends on the morphology and position of the rider. I did gain aero benefit from a Uvex TT helmet but under regulations that is only ride able on tracks in the TT and pursuit.
Also, I doubt the gains as listed are additive. As you gain speed from one improvement, the next doesn't provide quite the same level of gains.
Important also to note that some improvements shown are measured from a fairly non-aero base line, e.g. the gains made going to an aerobar position versus sitting upright, whereas some are from an already pretty good aero baseline, e.g. using rear disk wheel over a trispoke (compared with say a standard spoked wheel where the gain would be far greater).
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Re: TT equipment benifits
Postby RobRollin » Tue May 04, 2010 8:23 am
So if you are wearing just a jersey and bib knicks, would there be an advantage of wearing light weight arm warmers?
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Re: TT equipment benifits
Postby Romper » Tue May 04, 2010 12:40 pm
I'm not sure(perhaps if you had really really long hair in your arms), but I don't think so a skin suit is different to a jersey and nicks(no flappy bits) especially the newer ones made from special fabric.
Romper! now stiff yet vertically compliant
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