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#1651 | |||
Ich bin ein auslander
Join Date: May 2005
Location: Loving the Endorphine Machine
Posts: 7,453
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Quote:
By the way what chainring and cassette sizes do you have? I am just doing a bit of a comparison so all will become clear soon?
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#1652 | ||
Looking for clues...
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Location: Morayfield
Posts: 23,178
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I think that's what caused the problem... reusing the old pin. I ducked out and picked up a new chain this afternoon and then realised what must have happened. I should have asked if they sold the pins by themselves!
The cassette I have fitted is an 11 speed, with 11-28 teeth gears. The crank is the 50/34 Tiagra combo. I'm thinking now, since the 11 speed chain is more narrow than a 10 speed, are the Tiagra teeth too wide?
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#1653 | |||
Ich bin ein auslander
Join Date: May 2005
Location: Loving the Endorphine Machine
Posts: 7,453
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Quote:
So I assume it is a 10 speed Tiagra crankset, I will see what I can find out for you.
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#1654 | ||
Ich bin ein auslander
Join Date: May 2005
Location: Loving the Endorphine Machine
Posts: 7,453
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I noticed on your strava that not only was your average cadence high at 93 but you were often in the 95-105 rpm range.
I would be careful with this cadence. Yes a high cadence is good and yes spinners are grinners but a cadence too high leads to poor pedalling form. I think a cadence range of 85-95 is a good range to be in. Out of curiosity, what chain ring and cog would you normally be in on flat ground at your normal average speed or cadence?
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#1655 | ||
Rob
Join Date: Sep 2006
Location: Woodcroft S.A.
Posts: 21,503
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Whilst a higher cadence is good when climbing and generally more efficient on all terrain, it can also create a higher heart rate depending on your cardio fitness.
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#1656 | ||
Ich bin ein auslander
Join Date: May 2005
Location: Loving the Endorphine Machine
Posts: 7,453
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#1657 | ||
Looking for clues...
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Location: Morayfield
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I can't give a definite answer on that, as today was the first time I used the cadence meter, and for the last year and a bit I've been using the 53/39 crankset.
With the larger crankset, I would sometimes get into the large chainring, maybe in the low 30's (speedwise). On a good day I might see low 40's on the flat.
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2016 Ford Falcon FG/X XR6 Turbo you beaut ute 1985 XR4Ti Sierra - Build Thread 1971 Fairlane 500 and... a collection of Jeep Towpigs and... two collections of rust and some new plastic bits roughly shaped like an F-Truck and.... some spare metal bits with holes in them |
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#1658 | ||
Ich bin ein auslander
Join Date: May 2005
Location: Loving the Endorphine Machine
Posts: 7,453
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Just as a car engine has a sweet zone for RPM, so do your legs. There is a lot of current talk about the push to high cadence and the influence of Lance Armstrong in the push to cadences upwards of 100 rpm. The consensus at the moment seems to be that a cadence that high is not effective for mere mortals without the extraordinary O2 carrying capacity of a EPO fuelled cardiovascular system.
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#1659 | |||
Looking for clues...
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Quote:
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2016 Ford Falcon FG/X XR6 Turbo you beaut ute 1985 XR4Ti Sierra - Build Thread 1971 Fairlane 500 and... a collection of Jeep Towpigs and... two collections of rust and some new plastic bits roughly shaped like an F-Truck and.... some spare metal bits with holes in them |
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#1660 | ||
Critical Thinker
Join Date: Jan 2005
Location: Adelaide
Posts: 20,320
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80-90 cadence is what I aim for no matter what gear im in unless im on a recovery ride then it's lower.
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"the greatest trick the devil pulled, is convincing the world he doesn't exist" 2022 Mazda CX5 GTSP Turbo 2018 Hyundai Santa Fe Highlander 1967 XR FALCON 500 Cars previously owned: 2021 Subaru Outback Sport 2018 Subaru XV-S 2012 Subaru Forester X 2007 Subaru Liberty GT 2001 AU2 75th Anniversary Futura 2001 Subaru GX wagon 1991 EB XR8 1977 XC Fairmont 1990 EA S Pak 1984 XE S Pak 1982 ZJ Fairlane 1983 XE Fairmont 1989 EA Falcon 1984 Datsun Bluebird Wagon 1975 Honda Civic |
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#1661 | |||
Looking for clues...
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Quote:
http://www.bikeroar.com/products/ava...1-0-2012/specs Tiagra 4600 is the crankset.
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2016 Ford Falcon FG/X XR6 Turbo you beaut ute 1985 XR4Ti Sierra - Build Thread 1971 Fairlane 500 and... a collection of Jeep Towpigs and... two collections of rust and some new plastic bits roughly shaped like an F-Truck and.... some spare metal bits with holes in them |
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#1662 | ||
Rob
Join Date: Sep 2006
Location: Woodcroft S.A.
Posts: 21,503
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Did your bike come with 11 speed hub or have you upgraded?
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#1663 | ||
Looking for clues...
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Yes I upgraded to an Ultegra 11 speed groupset, along with a new rear wheel.
***Edit *** I mentioned that on Page 49 of this thread! Keep up!
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2016 Ford Falcon FG/X XR6 Turbo you beaut ute 1985 XR4Ti Sierra - Build Thread 1971 Fairlane 500 and... a collection of Jeep Towpigs and... two collections of rust and some new plastic bits roughly shaped like an F-Truck and.... some spare metal bits with holes in them |
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#1664 | ||
Ich bin ein auslander
Join Date: May 2005
Location: Loving the Endorphine Machine
Posts: 7,453
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The reason I ask is because of gear selection. A common mistake I see is people riding along on flat ground in the small chainring and a small cog on the back.
For example, lets assume they are riding along on a 34 tooth chain ring to a 17 tooth cog which gives a 52.9" gear. You can achieve the same 52.9" gear running a 50 tooth chain ring to a 25 tooth rear cog. This alternative means there are considerably more teeth bearing the load on the chain resulting in less chainring wear, less sprocket wear and less chain wear. This is how I got over 50,000km out of a Dura Ace cassette, well that and regular maintenance and oiling. Also remember your 11 speed is not really 11 speed, it is really a 9 speed because you should never run small chainring to small cog or large chainring to large cog. This involves a terrible chainline which causes excessive wear on the chain for a gear that is duplicated anyway. For example a 50-28 is the same ratio as a 34-19, a 34-11 is similar to a 50-16.
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#1665 | ||
Ich bin ein auslander
Join Date: May 2005
Location: Loving the Endorphine Machine
Posts: 7,453
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A shimano 11 speed ultegra chain is cross compatible with a tiagra 4600 crankset so no issue there.
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#1666 | ||
Looking for clues...
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Cross-chaining is something I avoid! You can hear the teeth objecting, moreso on the full size crankset, it seems to me.
Today I found I was able to use the large chainring more effectively, using a wider range of gears on the cassette which made the ride more enjoyable. The 53t chainring always presented itself as a challenge to get it up to speed - which is why I thought it'd help build my leg strength.
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2016 Ford Falcon FG/X XR6 Turbo you beaut ute 1985 XR4Ti Sierra - Build Thread 1971 Fairlane 500 and... a collection of Jeep Towpigs and... two collections of rust and some new plastic bits roughly shaped like an F-Truck and.... some spare metal bits with holes in them |
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#1667 | ||
Looking for clues...
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In respect to cadence, I was trying to concentrate on a "toe pointed downward" position, which seems to feel stronger than if my foot is drooping, with the heel dropping.
There's a lot to learn, in spite of what age you are!
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2016 Ford Falcon FG/X XR6 Turbo you beaut ute 1985 XR4Ti Sierra - Build Thread 1971 Fairlane 500 and... a collection of Jeep Towpigs and... two collections of rust and some new plastic bits roughly shaped like an F-Truck and.... some spare metal bits with holes in them |
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#1668 | ||
Ich bin ein auslander
Join Date: May 2005
Location: Loving the Endorphine Machine
Posts: 7,453
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There are a lot of theories regarding toes pointed pedalling. Many suggest it reduces the amount of leg extension at the bottom of the pedal stroke and also promotes a down stroke only pedalling style rather than a more 'round' style.
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#1669 | ||
Rob
Join Date: Sep 2006
Location: Woodcroft S.A.
Posts: 21,503
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pedalling technique
https://www.youtube.com/watch?v=FjdSJ-YrCcM GCN have lots of clips on youtube. i find them quite good. |
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#1670 | |||
Ich bin ein auslander
Join Date: May 2005
Location: Loving the Endorphine Machine
Posts: 7,453
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Quote:
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#1671 | ||
Ich bin ein auslander
Join Date: May 2005
Location: Loving the Endorphine Machine
Posts: 7,453
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Good video. The sensation of 'scraping your foot' on the bottom of the stroke is a handy one to remember.
One legged drills have kind of fallen out of favour now.
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#1672 | ||
Rob
Join Date: Sep 2006
Location: Woodcroft S.A.
Posts: 21,503
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anything more than about 8% i struggle to get near 80 anyway. haven't watched all their video's. just when i need to find out how to do something i turn to youtube, and often their video's are quite helpful.
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#1673 | ||
Ich bin ein auslander
Join Date: May 2005
Location: Loving the Endorphine Machine
Posts: 7,453
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My comfortable zone seems to be about 60-70 on anything up to around 10% climb. On Henri Roberts drive (22%) I was struggling at 35 RPM. The new cassette is on order now.
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#1674 | ||
Looking for clues...
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I've watched a lot of GCN's vid's but missed this one. They do have others on pedalling, though... where I heard the "scraping your foot", also elliptical pedalling. Cyclocore isn't so entertaining, but provides some interesting info.
When it comes down to it, I get out there, and get distracted by the scenery 7 times out of 10, and have to snap back to what I'm trying to get my legs to do. Either way, I'm loving it, because I'm doing something I really enjoy. Now... I have to finish my project car off to enjoy as well!
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2016 Ford Falcon FG/X XR6 Turbo you beaut ute 1985 XR4Ti Sierra - Build Thread 1971 Fairlane 500 and... a collection of Jeep Towpigs and... two collections of rust and some new plastic bits roughly shaped like an F-Truck and.... some spare metal bits with holes in them |
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#1675 | ||
Rob
Join Date: Sep 2006
Location: Woodcroft S.A.
Posts: 21,503
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#1676 | ||
Rob
Join Date: Sep 2006
Location: Woodcroft S.A.
Posts: 21,503
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and this is what its all about. i often zone out when i ride solo. i'm lucky where i live i'm right on the edge of suburbia, and its only a half hour ride or so in to awesome countryside. being a shift worker, i often get around like a bear with a sore head. my wife encourages me to ride now, as apparently i'm a different person if i've had a ride. its great for clearing your head and just enjoying the moment.
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#1677 | ||
Ich bin ein auslander
Join Date: May 2005
Location: Loving the Endorphine Machine
Posts: 7,453
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Yes I am. Henri Roberts drive is the only climb that I struggle with on the standard 39/53 combo. I currently have a 11-25 cassette but have a 12-27 on order which should be enough to get me up Henri Roberts but still have a good usable spread of gears for my normal rides.
That is the theory anyway.
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#1678 | |||
AWD Assassin
Join Date: Dec 2004
Posts: 8,170
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Quote:
I'm a sucker for scenery as well. My legs stop, I jump off the bike and I just suck it in for a minute and then I'm off again. ![]() How many klms are you guys doing a week ? I'm trying to do 100. 2 x 40 KLM rides weather permitting and then I'll cheat and do 2 x10 KLM rides on my stationary trainer. I'm not quite there yet....but close !!
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#1679 | |||
FF.Com.Au Hardcore
Join Date: Apr 2014
Location: Melbourne
Posts: 1,289
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Quote:
That is, as a very rough guide , I would be seeking a cadence of 80+ with a road speed of 30k/ph on the flats (39/16 say) and on hills of 5-6% I would be seeking similar cadence with a road speed of around 20k/ph (39/19) Then, as your fitness improves , and your leg strength and action improves , at first use the same cadence , and move down the cassette , that is , flat road , 39/15 , and same hill 39/17 , and so on |
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#1680 | ||
Rob
Join Date: Sep 2006
Location: Woodcroft S.A.
Posts: 21,503
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Focusing on speed doesn't always take in to account weather conditions. You aren't going to ride at the same speed in a strong headwind.
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