75% of Cyclists Leave this Bike Fitters Clinic with a SHIM (why?)
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- čas přidán 8. 06. 2020
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About Neill Stanbury: neillsbikefit.com.au/
Many cyclists suffer from a poor pedal stroke, and discomfort on the bike. This can lead to a loss of power through the pedal stroke and also cause injury. Some cyclists spend years trying different methods to fix these issues. They buy a new saddle, change their seat height, try new pedals, such as Speedplay and Shimano, or maybe even buy a new road bike altogether.
However, what has been identified in many of these instances, is that a leg length discrepancy can often be the root cause, yet no action has been taken to resolve the problem. In order to improve a functional leg length difference, a shim has be an ideal solution. However, some people are against the idea, due to a number of factors we’ll discuss in this video today.
#Cycling #bike #fit
I wish that fitting clinic would be close to me, this guy knows what he's talking about i would have 100% confidence in him
I have a 1cm left leg length discrepancy as a result of an accident 30 years ago when I was hit by a car while on a training ride. My fracture of the tibia/fibula was about 10cm above the ankle. I compensate by using a shorter crank arm on the left side (170mm vs 175mm) and a small shim to make up the difference. I think it avoids the torsional effects he mentions. I haven't had issues with knee pain. Although because of mechanical limitations in range of motion from the damage to my lower left leg, I don't get the same power output on the left. Ultimately I'm just happy I can still ride without much, if any, discomfort.
Had a 2mm shim fitted for a functional leg length difference, which fixed some pain I was getting in the left leg. After a couple years I wanted to try without the shim again- 6 months later still no issues so seems the body has adapted. Be interested to know if there is an efficiency advantage to keeping the shim though, hard to test
My legs aren't perfect? Would explain why I didn't get that KOM the other day. Definitely where I lost the 1 second.
what is neil's thoughts on using angular shims to fix valgus or varus adjustments? I've been trying them to try and fix and outer leg discomfort
Great content 👌🏼
Really interesting to hear that, i suffer from numbness around the ball of just my left foot, never my right.... i broke my right tibia and fibia a couple of years ago and wonder if its perhaps related now.... might pop to a local bike fitter....you are a little far away from me in cloudy London!
How would a curfiture of the spine go, I suspect I’d need cleats or cleat / shims more than likely, my running gate when I jog is a bit irregular, not good.
Cam, this series with Neill is amazing. Thank you so much!
I have had 3 bike fits, the first person told me I had one leg structurally longer than the other, he dropped my saddle and tried to balance out the discrepancy that way, he saw also my hips were rocking and found that the saddle width was too narrow for my sit bones, but did not touch the cleats. Second bike fitter raised my saddle and did not touch the cleats. Third bike fitter finally put wedges in my cleats and raised my saddle dramatically. Of all the bike fitters, he found the correct saddle height because I have monster power. He also said I had limited mobility in my hips and lumbar area and suggested I see a physical therapist to loosen my tight Psoas muscle and suggest that I work on my weak core. I began working on my mobility and core strength and that has made a huge difference. I believe most cyclists including me because of the position we are on our bikes should always work on a mobility regime off the bike.
Great stuff guys!! Love this series. More videos on bike fitting in the future? Maybe saddle and handlebars? I’m sure Neil doesn’t want to give away all his bike fitting secrets but I love listening to this stuff
Keep 'em coming! Love the bike fit videos!
Excellent video again. After the last one I moved my cleats right back. Felt alot slower but my average cadence increased and I was overall 2mph faster over the router beating some of my times from over 4 years ago. If I could determine if my cleat needed a shim or not I'd do that without a doubt. Finally quality advice from a bikefitter. 👍😁
Loving the content from Neill's fitting and insights!! Thanks for sharing!! When is the in-depth video about the results from the crank length change coming??
I finally added a 2mm shim to my right shoe. WOW! What a difference. Thank you.
Brilliant video. Excellent discussion on how athletes adapt to overcome their genetic characteristics. The guy is really logical and explains in a very clear way. Love the comments on the section of people that present for bike fit too.
Love these fit discussions. With respect to the first point regarding the negative comments about shims, it reminds me of the old adage: The plural of anecdote is not data.
super helpful, thanks!
Very informative Cam… 🙌🏽
Love this nerd talk. Learning a lot.