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Recreational Cyclocross and Gravelbiking This has to be the most physically intense sport ever invented. It's high speed bicycle racing on a short off road course or riding the off pavement rides on gravel like :The Dirty Kanza". We also have a dedicated Racing forum for the Cyclocross Hard Core Racers.

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Old 09-11-06, 08:06 PM   #1
Drakonchik
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Using Rollamajig to Improve Shimano Sora Shifters

I've used Shimano Sora shifters on and off road for three years and the biggest hang-up I have with them is my thumb hanging up on the cable housing when shifting, especially when I'm off-road cyclocross style.

Must be some others out there to whom this happens. Or maybe I'm spastic -- but I doubt it -- I think it's the shifters!

Anyway, here's the solution I came up with. I used to hang up 50% of the time when shifting in off-road turbulence, now it's about 0% of the time. No loss of function as far as shifting goes, in case you're wondering, and I've fully field tested this modification:
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Old 09-11-06, 10:43 PM   #2
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Interesting. I did a season of cross with Sora and now their on the trainer queen. I didn't have that problem but can sure see how you did.

Neat fix.

Ron
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Old 09-11-06, 10:57 PM   #3
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I forgot to mention there's another benefit, which is that (following the mod) you can reach in and pull the lever from the inboard side. This is especially useful on the left shifter, where you have to pull the lever through a wide radius, and it's just easier to reach in from the inboard side and kind of scoop the lever, using your forearm as additional leverage off the flat part of your bar if you want. Helpful too when your hand is going numb.

I'll drop a photo of that application into this thread if the friggin' megabyte ceiling on photo attachments will let me. . . .
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