Tag Archives: tri bike fit

Interview with World Triathlon Champions Leanda Cave and Tim Don 05/23 by The Natural Running Network Live | Sports Podcasts

Interview with World Triathlon Champions Leanda Cave and Tim Don 05/23 by The Natural Running Network Live | Sports Podcasts.

Leanda Cave won the Ironman World Championship and the 70.3 World Championships in 2012. Tim Don won 4 triathlon World Titles and competed in 3 Olympic Games. Richard Diaz asks about racing, where the sport is taking them and how they like the ride so far.

Tim has a great start on the 2014 season and Leandra is hungry for another win at the Escape from Alcatraz in June. Join us for a unique and candid conversation with two world class triathletes.

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The Science of Going Fast with John Cobb 12/13 by The Natural Running Network Live | Sports Podcasts

The Science of Going Fast with John Cobb 12/13 by The Natural Running Network Live | Sports Podcasts.

John Cobb is world renowned for his expertise in aerodynamics, the wind tunnel and as bike fitter to the most competitive triathletes and cyclists in racing. Listen as our host Richard Diaz interviews John Cobb, innovator andJohn Cobb founder of Cobb cycling.

Anyone who is serious about triathlon or cycling competition has heard of the legendary John Cobb. When you have done all that you can do with your training, all that’s left is how efficiently you can move through space. John Cobb is the master of finding power through positioning and aerodynamics. If you have never heard of John or are eager to hear what he has to say about The Science of going fast, you’ll need to listen in!


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How to Become a Sponsored Pro Athlete 11/22 by The Natural Running Network Live | Sports Podcasts

How to Become a Sponsored Pro Athlete 11/22 by The Natural Running Network Live | Sports Podcasts.

Sean Watkins, Watkins INK. Heather Jackson

In the endurance sports world competition is tough, finding sponsors and making a living is even tougher. Join our Host Richard Diaz and guests Sean Watkins-president of Watkins ink., and pro triathlete Heather Jackson as they reveal what it takes to go pro.

It’s not enough to be a great athlete, being wise in business, making the right contacts and getting exposure in the right circles are all part of the equation of turning pro.

Sean Watkins is the founder and president of Watkins Ink., a sports marketing company with an impressive stable of pro triathletes and cyclists. He is in the business of spotting talent and nurturing careers for some of the best athletes in the world. Heather Jackson, is one of the hottest female triathletes in the world today, coming off of 3 impressive wins this year:  1st Place- Oceanside 70.3 (2013) 1st Place- ESCAPE From Alcatraz Triathlon (2013) 1st Place- Wildflower Triathlon (2013)

Do you think you have what it takes to become a sponsored pro athlete? If so, this is a show you do not want to miss!


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All about Compression Wear for Runners 09/13 by The Natural Running Network Live | Sports Podcasts

compressionAll about Compression Wear for Runners 09/13 by The Natural Running Network Live | Sports Podcasts.

Compression tights look great while training and racing. Quality running tights, socks, and accessories offer huge benefits, if you know when, what and why to wear them. Listen as Richard Diaz and Richard Verney, Director of Sales at 2XU demystifies there use.

When is the best time to wear compression socks vs. calf sleeves? Does compression wear make me a faster Runner? How can recovery tights reduce soreness? How do I best care for these technical garments? All of these questions will be addressed in this interview. If you race and or train and don’t understand compression, this is a show you don’t want to miss!


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Faster! The Science behind Speed

Faster-400x300Faster, is a new book on the topic of speed as it relates to triathlon, running, cycling, swimming and overall performance.  Listen as author and astronautical engineer Jim Gourley and Richard Diaz discuss the science that few athletes consider yet should!



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Lesley Paterson “The Scottish Rocket 09/06 by The Natural Running Network Live | Sports Podcasts

LesLesley Paterson “The Scottish Rocket 09/06 by The Natural Running Network Live | Sports Podcasts.

Lesley Paterson “The Scottish Rocket” Xterra World Champion, don’t be fooled by her fun loving nature, she is a ferocious competitor. Listen as Richard Diaz chats with her as she prepares for the 2013 Xterra World Championships in Kapalua Maui on Oct. 27.

On 23 October 2011, Paterson won the Xterra World Championship in Kapalua, Maui, despite suffering a flat tire on the bike stage, and falling on the run stage. She recorded a run time of 43:54, almost 10 minutes faster than Lance Armstrong, whose presence had led to increased publicity for the race. Paterson repeated as champion in 2012, winning by almost four minutes over Bárbara Riveros.

Paterson coaches triathletes using the name Braveheart Coaching, she describes her coaching work as “the hardest and yet one of the most rewarding things I’ve ever done in triathlon.  She is working on a project to produce a reality TV series in which she trains underprivileged kids to race their first triathlon.



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A Bike Fit at dhp

Bike fitting for me is a love hate relationship. I am not a fan of getting my hands greasy or dirty but I love it when a client reports how satisfied they were with the outcome.

In the video I have attached, I need to apologize for some of the confusing dialogue between myself and my client. When I was speaking of “two to ten or  more” I was referring to the wedges I wanted to place beneath his right cleat relative to the degree of varus angle measured. I like the video in that it demonstrates how we go to committee on each fit. Because no fitter is able to experience the sensation of change of a riders posture, I feel its important to share in the decision-making process. Being able to step away from the bike and see yourself as you ride, in slow motion or to see the cause and effect from each adjustment is priceless. It take a bit longer to fit someone this way but it does insure a perfect fit almost every time.

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The benefits of a professional bike fit

Don’t confuse bike “sizing” with bike fitting. When you purchase a new bike, the sales person will do their best to see that the bike is the proper size for you and then set you up on the bike by adjusting your saddle height and forward aft position, and off you go. Interestingly enough, most people who roll out of the store on their new wheels are so high and the perfectly functioning new bike feels so good they are typically beyond content.  However once the honeymoon is over and it’s back to putting in the miles, it is not unusual to notice a few minor inconsistencies that you did not notice while you were still “under the gas” so to speak.video bike fit

It may be that you begin to notice some discomfort that begins to nag at you.  It may come from the knees, the neck or low back. It may be numbness in the hands or crotch, regardless these are signs that you are not communicating well with your new machine. There are five contact points between yourself and your bike, two hands, two feet, your butt and all of these points interrelate to comfort and let’s face it, if you are not comfortable, you will begin to become reluctant to ride.  The very thing that used to give you pleasure is now giving you pain.

The process of “fitting” a rider to their bike begins with careful identification of what is working and what is not.  Before we begin this process of matching the bike to the rider we first take careful examination of the riders’ movement patterns.  Observing the way they walk, measuring leg length, range of motion and flexibility. We interview the rider to gain insight into their riding history, past injuries and current discomfort. We consider the needs and wants of the rider; what their ambition is, if they race, how often etc.

Based upon what we learn from this careful inquiry we set about developing a fitting strategy, then, for the first time during the interview we ask the client to mount the bike.  While they are on the bike, we begin the video, recording the initial postures and cross-examination of angles and the general relationship of the bike with the rider. Many of the initial findings are obvious.

As a rule before we make any modifications, we ask the rider to dismount and review the video with us and discuss what we see and what we feel should be the first adjustments.  Then the adjustments are made, typically only one or maximum two and then the rider remounts, the video begins again and we analyze the changes made.  This process continues until most of the obvious faults are corrected from a side view.  Then we begin analysis from the frontal view incorporating video and laser beams for precise measure and freeze frame review.

This frontal view reveals the most crucial contact points between the rider and the bike, the foot / pedal relationship. Because the pedal fixes the leg into a specific path this connection requires grave detail to minimize misalignment. Most pedal systems allow for a bit of float which is important to minimize forcing the knee and ankle into potential bio-mechanical conflict, however, this float allowance only addresses a fraction of the alignment issues.

One of the advantages of dynamic video analysis is the clarity in which we are able to identify compromise at the knee, ankle and hip. With a frame by frame analysis of cause and effect and painstaking attention to detail, we are able to resolve over five points of concern.

The most overlooked consideration with most fits is the rider’s unique forefoot angles.

Studies have revealed that over 85% of the population’s natural forefoot angle is “Varus” with around 7% being “Valgus” and very few have a neutral forefoot position. This presents a unique problem to the fitter in that all pedal systems are flat or neutral. As depicted in the next image, the outcome of an excessive varus forefoot results in poor contact with the pedal.  This outward pressure on the pedal is followed by a concomitant inversion of the knee on the down stroke and eversion on the upward stroke. This faulty movement pattern appears like a wobble at the knee, repeated for thousands of pedal revolutions. This abuse is the culprit behind the majority of cycling injuries. Once we have corrected these collective alignment problems the rider is able to garner the benefits promised through ownership of riding an amazingly well crafted bicycle that is now tuned to match the geometry of the rider.

I tell my athletes all the time; “of all the services we provide nothing is more instantly gratifying than a great bike fit. It pays you back immediately”.

We provide dynamic video supported bike fits in our Camarillo facility by appointment. Contact us for details 805-484-1347 or diazhp@verizon.net

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