For a very long time now I have wanted to try using crankarms shorteners as they are supposed to help those who have knee joint issues. And it is said that short people should use shorter crankarms. I qualify on both. At my rehab physical therapy sessions I am going thru for knee joint replacement their stationary recumbent exercise bike has the crankarms adjusted to their minimum setting and that setting works great for me. I recently ordered a set of crankarm shorteners so I can pedal normally. With my 165 mm crankarms that came on my trike I have to place the heels of my feet on the pedals in order to pedal it. I tried pedaling my wife’s recumbent bike which I have set up on an indoor trainer out on the enclosed patio at the back of the house, but I couldn’t even pedal it with my heels on the pedals. I think it has 175 mm crankarms. I just am not “there” yet in my recovery. At rehab I can pedal with my feet positioned normally on the pedals. I even cranked it up to 100 rpm cadence a couple of times. So the shorter crankarms really do make a difference. I am really looking forward to having them on my trike.
Here is a video which explains the need and benefit of shorter crankarms.
What I am not looking forward to is winter weather for the next few months. I don’t know how much I will be getting out riding thru the winter. If it gets nasty enough I will no doubt bring my trike back inside the house for the third winter in a row and set it up on the indoor trainer in the living room in front of the large screen TV which is also used as a computer monitor. With access to the internet I can find all sorts of stuff to watch on that big screen in front of me including riding on bike trails. It is almost like being there except I can’t lean in the turns. 🙂
Yep, a set of these just might be your ticket as well.
Shortens cranks by 24, 41, 59 and 76mm. I am pretty certain that I will be using the 59 mm position (next to the shortest) as that will give me about 106 mm crankarms which is close to the setting of the crankarms on the stationary recumbent exercise bike I am pedaling at rehab. The really neat thing about using these is that if and as one improves the pedals can be moved further out. I doubt if I would ever go back all the way to 165 mm though.
HERE is an article I wrote previously about crankarm length.
HERE is the best price I have found on them. I am quite certain that they are going to help me to …
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