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Oct 31 2008

My New Used PowerTap From Ebay

My New Used PowerTap

My New Used PowerTap

Back in May of 2007 I took the leap into the world of power based training when I purchased a new PowerTap SL.  It was a lot of money but I have more than got my money’s worth over the 18 months I’ve had it.  But, once I discovered the “power” of the PowerTap I’ve wanted another one I could use on the trainer exclusively.  When I got my new bike in June of this year My desire for another PowerTap increased, but I was not ready to buy a new one.  So, I started my search on Ebay.

Let The Bidding Begin

Well, after 30 days or so I found a listing that seemed to be exactly what I was looking for.  It was for an older model PowerTap and computer on a Shimano compatible Mavic OpenPro wheel that had been recently serviced.  I put it on my watch list and waited.  When it got down to 20 hours or so left in the auction the highest bid was $108.  I knew from all of the research I had done that similar PowerTaps had sold for $250-$350 in the past.  I was willing to pay $300.  With 5 minutes left in the auction I placed my max bid of $300.  Well, that caused the price to go up to $300 but nobody else increased their bid and I won the auction.  I had my extra PowerTap!

Setting Up The New Toy

The PowerTap arrived yesterday and I spent an hour or so getting it setup on my old Specialized Allez.  I used an extra wiring harness I had purchased in July to mount the computer from my existing SL.  It works perfectly and will allow me to use my older 9-speed Specialized setup on the trainer and my 10-speed Cannondale outdoors without having to switch wheels, etc.  This will also give me the ability to convert my Specialized into a power meter equipped time trial bike by adding aero bars.

Make Ebay Work For You

For me, Ebay was the perfect solution, allowing me the opportunity to get my “spare” PowerTap for a good price.  I have been a member of Ebay for 10 years and feel very comfortable buying and selling there.  But, I follow several rules in order to make sure I don’t get ripped off by buying something from an unscrupulous seller:

  1. I totally research what it is I’m looking to buy and don’t rely on Ebay exclusively to get an idea of what a particular item is worth.
  2. I never buy anything of value from a seller who doesn’t have at least 5 transactions.
  3. I always check the feedback on the seller and if anything looks suspicious I keep looking.
  4. I check their past auctions to see what they have bought and sold to see what types of items they normally deal in.
  5. I check to see if the shipping charge they will add to the price is fair and reasonable considering what the item is.  A high shipping charge raises a red flag very quickly.
  6. I use Paypal with my credit card, not debit card.  That allows me to dispute the charge with MY credit card company if there is a problem.  If the seller doesn’t offer Paypal I move on.

Knock on wood, I haven’t had a single problem with Ebay by following these rules.  I have gotten some good deals by doing my research and paying attention.

Get Your Own PowerTap From Ebay

If you are looking to get a PowerTap, take a look at Ebay.  I have a link to the current PowerTap auctions on Ebay here (at the bottom of the page).  Take a look at what is available and check back from time to time because there are always new auctions starting up.  Just remember to do your research and also realize that in almost all cases, what you get from Ebay will not have a warranty.  Happy bidding!

Oct 30 2008

Indoor Training Season Has Begun

Well, it’s official, indoor training season has begun.  Last night I did my first “official” indoor session of the Fall/Winter training season.  Daylight savings will be gone in a few days meaning my weekday workouts will need to take place indoors.  I am not crazy enough to ride in the dark like a few of my buddies, so I hook my bike up to the old Kurt Kinetic Road Machine
and spin away.

Tonight was my first serious indoor workout in a while.  My goal was to just get used to sitting and spinning on the trainer.  I was a little pressed for time since I first had to assemble my bike that I took to Texas for the Livestrong ride.  That took longer than I planned because I am basically inept when it comes to even simple mechanical tasks :-)  When I got done it was already 6:30PM so I decided to do a short warmup and then do one 30 minute interval at 250 watts which is just about 92% of my FTP.  That is right at the high end of the “sweet spot” (approx 88-94% of FTP).  Here is the powertap file (click to enlarge):

PowerTap Training File

PowerTap Training File

You will see that over the 30 minutes I averaged 251 watts and a heart rate of 150. That is right in “the zone” as far as sweet spot training goes. I was working fairly hard but not straining. I had a good constant effort that gave me a great workout considering I only had a little time. That is the beauty of using a power meter on an indoor trainer. I get a huge bang for my buck with this type of workout.

Today I will do a similar type of workout and then ride outside on the weekend. This mix of concentrated indoor efforts and more free form outdoor rides should allow me to keep my motivation up and keep training fun which is the most important part. I still need to flesh out the entire training program for the next few months. I should have that by next week and I will post it here for everyone to see.

What kind of Winter training plans and goals are you setting for yourself?

Oct 29 2008

Weekly Update For October 26th, 2008

Week In Review

Here is my activity review for the week ended Oct 26th, 2008.

  • Time Spent Training-5:51
  • Miles Ridden-101.5
  • TSS (training stress score)-361
  • Weight-164
  • TSS YTD-17550
  • Total Miles YTD-4210
  • Total Hours YTD-244

This week was all about the Livestrong ride on Sunday, the 26th.  I rode the 90 mile option in a little over 5 hours.  With the travel, etc., the only other day I rode was on Tuesday which was about 45 minutes and 12 miles at an easy pace.  We really enjoyed our time in Austin for the event.  We had a team of 8 of us that rode, 7 did the 90 mile ride, and my wife did the 45 mile ride which was her longest bike ride ever.  Well done, honey ! :-)  The ride was very well organized, as you would expect, and the weather was just about perfect.  There was a little wind but it wasn’t too bad, especially for Texas.  The roads were rough because they were mostly that chip seal stuff.  I was used to that stuff when I lived in Illinois but the last two years here on the smooth roads in Georgia have made me go soft :-) My feet got a little numb at about mile 75 due to the rough roads but I survived.  Based on the file from my PowerTap I got in 309 TSS for the ride, which was about what I expected. I rode with most of our group for the first 15 miles and then spent the next 35 miles trying to catch one of team members who needed to finish quickly in order to catch a plane.  I really had to push it and finally caught up with him at mile 50.  We rode together for the remaining 40 miles.  It was a great workout.  We had fun riding with everyone in our group and eating/drinking after the ride.  All in all a great time.  If you have a chance to do one of the Livestrong rides, do it.  It is a class event and the cause is well worth it.

Looking Ahead

Now that I’m back home I am ready to start my Fall/Winter training.  I will put my bike together and get a short workout on the Kurt trainer tonight.  Tomorrow I will do a 45 minute tempo workout and then hopefully ride outside on the weekend.  I am finishing up my workout planning and should have it ready by next week.  I will post the plan when it is done so you can see how I will be structuring my workouts.

So far 2008 has been a great year training wise.  With 2 months left I will easily surpass my goals as far as time spent training and mileage.  I hope that in the next two months I can start building a more powerful base that will help me reach whatever goals I set for 2009.

Oct 27 2008

Heart Rate Based Training Part Three

I hope everyone had a great weekend. Here is part three of my series discussing heart rate based training:

Using heart rate to monitor the intensity of your exercise can help you reach your fitness goals faster and with less chance of injury or burnout. In part one of this series I discussed what maximum heart rate is and why it is important. In part two, I explained several ways for you to discover your own maximum heart rate depending on your level of experience with exercise. Now, in part three we can actually use maximum heart rate to build the “zones” we need to use in exercise. I will also give a couple of sample workouts to get started with.

Zone Refresher

If you remember from part one I listed the typical zones used for heart rate training. Here they are again:

  1. 50% to 60% of maximum- This is commonly called the “Healthy Heart” or “Active Recovery” zone.
  2. 60% to 70% of maximum- This is the “Fitness Zone” where you start to work a little harder.
  3. 70% to 80% of maximum- This is the “Aerobic” zone, the sweet spot.
  4. 80% to 90% of maximum- This is the “Anaerobic or Threshold” zone.
  5. 90% to 100% of maximum- This is an extreme level of work. You will only be able to operate in this zone for a few minutes at most.

Building Your Zones

To build your zones take your maximum heart rate and multiply by the percentages for each zone. Using my 186 beats per minute as an example, my five zones would be:

  1. 93 (186x.5)-112 (186x.6)beats/minute
  2. 112-130 beats/minute
  3. 130-148 beats/minute
  4. 148-167 beats/minute
  5. 167-186 beats/minute

To get your zones just substitute your maximum heart rate and calculate from there.

How To Use Your Zones

Ok, now that you have your zones figured, how do you use them in your workouts? The answer depends on what you are trying to achieve. If you are looking to gain basic fitness and aerobic conditioning you will probably spend more time in zones 1-3. If you are looking to add strength and speed to your workouts, such as training for competition, you would need to mix in a fair amount of zone 4 and some zone 5 into your workouts. When it comes down to it, everyone will have a different mix. Once again, I’ll use me as an example to give you an idea of how I mix up my workouts. This is a typical week for me:

  • Tuesday: 45-60 minutes primarily in high zone 3 to zone 4.
  • Wednesday: 60 minutes in zone 3
  • Thursday: 45-60 minutes total with 20 minutes in zone 4, the rest in zone 3
  • Saturday: 60 minutes zone 3 (I sometimes do a couple of short sprints in zone 5)
  • Sunday: 120 minutes+, mostly in zone 2-3 with a few short periods (5-10 minutes) in zone 4

Total time is 5-6 hours a week. I ride a bike as my primary exercise so the length of workouts can be a little longer than if I was running.

Sample Workout

Here is a sample workout for someone who is starting out and has a couple of hours a week to exercise. You can use this for just about all aerobic exercise, especially when starting out. Just remember to start out slow by warming up before each session.

  • Monday: 30 minutes zone 2
  • Wednesday: 30-45 minutes zone 3
  • Friday: 30 minutes zone 3
  • Saturday or Sunday: 45 minutes mostly zone 3 with a couple of short intervals (2-4 minutes each) in zone 4. Make sure to allow time to recover between zone 4 intervals.

As you build your fitness you can increase the amount of time for each workout but to be safe don’t increase by more than 10-15% each week. You can vary your workouts any number of ways but always try to alternate hard and easy days to reduce the risk of injury.

Between the three parts of this series you should have a good start to designing your own heart rate based training program. Here are the other two parts:

Using heart rate to exercise properly- part 1- why training with heart rate is important

Using heart rate to exercise properly- part 2- determining your max heart rate

I’d be very interested to hear from some of you as to how your heart rate training is going. If you want some help designing your own program let me know at mark@roadbikesource.com and I will be happy to help you as much as I can.

Books You May Want To Read

There are a lot of good books out there that can help you develop a training program based on heart rate. Here are a few that I suggest you check out:

Oct 24 2008

Heart Rate Based Training Part Two

Welcome to part two of this series on using your heart rate to exercise properly. This part is fairly long but I think the information is worth the time it will take to read it.

In part one of this series I discussed what maximum heart rate is and how it relates to developing a zone based training program. Now that we have an idea of how training using your heart rate can help us achieve our fitness goals we need to find out what our specific “zones” are. We do this by performing some basic tests to give us an idea what our maximum heart rate is. We then use this maximum to construct the training zones that we can use in our exercise program. Once again I must emphasize:

Please Remember: You should always check with your doctor before starting any exercise program.

OK, now that I have gotten through that disclaimer again we can proceed :-)

In order to accurately determine our maximum heart rate we need to actually do some physical activity. Depending on your exercise experience there are a couple of different ways to do the test.

The exception, and this is important, is if you have been inactive for an extended period or have never exercised. If that describes you then you can get an estimate by:

Subtracting your age from 220.

(For example, I am 44, so my max HR using this formula is 177 (220-44=176). This will get you started. Once you have been working out for a while you can use one of the other methods to verify your number)

Sub-Max Testing

If you have some, but not extensive, experience exercising use this method:

This first method is a good place to start if you are new to exercise (within the first 6 months or so). If you are more experienced you may want to skip down to the “Full-Max” section. Depending on your level of fitness you will adjust your results by adding a different number to your results to get your maximum heart rate. Here are the three levels of fitness (aerobic, not muscular) to use:

  1. Low- if you do not exercise at all, or if you have not exercised recently (last 8 weeks). Remember, you can be thin, have no weight-loss goals, and still be in poor shape.
  2. Medium- you walk a mile 3 times a week, or participate in any aerobic activity 3 times a week for 20 minutes.
  3. High- you regularly have training sessions that total more than 1 hour a week, or you walk or run at least 5 miles a week.

Ok, here is the “Sub-Max” test:

Use an 8″ step (almost any step in your home or in a club will do) and perform a 3-minute step test. After your warm-up, step up and down in a four-count sequence as follows: right foot up, left up, right down, left down. Each time you move a foot up or down, it counts as one step.

Count “up, up, down, down” for one set, with 20 sets to the minute. It is very important that you don’t speed up the pace–keep it regular. After 2 minutes, monitor your heart rate for the last minute. Add to your last minute’s heart rate average one of the following numbers:

1. Low: +55 bpm
2. Medium: +65 bpm
3. High: +75 bpm

The result should be pretty close to your maximum heart rate.

Full-Max Testing

If you are an experienced exerciser (over 6 months) and you really want to determine your max heart rate you can do one of these “Fun” tests:

Another disclaimer is in order here. These tests are extreme in nature and should not be attempted unless you are in very good shape. Even if you are in good shape you should still verify everything is OK with your doctor before trying these tests.

If your primary form of exercise is running then you can do the “run up a hill ’til you can’t run any more test”. This is pretty basic, all you need is a moderate hill of 400-500 yards long.

  1. Warm up for 10-15 minutes at a medium pace.
  2. After the warm up slowly build your speed for a couple more minutes until you reach the bottom of the hill.
  3. When you reach the bottom of the hill continue to build speed and run up the hall as hard as you can.
  4. Fall down when appropriate (when your body tells you it can’t go any more)
  5. Take your heart rate or look at your heart rate monitor before you pass out :-) to see the number.
  6. If you don’t have a hill you can substitute a treadmill with an incline feature or just go to your local high school track and sprint a lap as hard as you can after building speed over the previous lap or two.

If you do this test properly you will get a pretty accurate number.

If, like me, cycling is your primary exercise, the test is pretty much the same as the running, just substitute a bike for Nike shoes. Here’s how I have done this test outside:

  1. Warm up for 20-30 minutes at a moderate pace
  2. Do a couple of hard 15-30 second sprints, then recover for a minute or two
  3. Find your favorite hill (at least 1/2 mile long) and start riding up it as hard as you can go without sprinting staying seated.
  4. When you feel you can’t go any harder sprint with all your effort for 15 seconds, standing is OK.
  5. Stop, get off or fall off :-) and check your heart rate.
  6. You can do this on your indoor trainer by following the same basic steps, just increase the tension and then stand up and sprint the last 15 seconds.

As “research” for this article I performed this test last Wednesday on my indoor trainer and I made it to 186.

Ok, once you have recovered from the testing you can build your zones based on your max heart rate. We will cover that in part three as well as give you a couple of sample workout programs (for cycling primarily but also running/walking).

Books You May Want To Read

There are a lot of good books out there that can help you develop a training program based on heart rate. Here are a few that I suggest you check out: