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Old 05-26-14, 01:15 PM   #1
BikeMapper2.0
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Pedals, pedals, pedals!

Hi there!

I ride a Jamis Coda and want to replace the stock pedals with Shimano SPDs (one side clip, the other flat platform for regular shoes). I'm not a novice rider but definitely not the best mechanical dude. The stock pedals seem welded onto the crankarm and I can't get my wrench to take them off. Any advice?

Thanks!
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Old 05-26-14, 02:45 PM   #2
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Welcome to Bike Forums.
You'll need a 15mm pedal wrench (very thin so it fits between the crankarm and the pedal). The right pedal is right-hand threaded. The left pedal is left-hand threaded.


If you can't get the pedals loose, take the bike to a bike shop. It'll take then 30 seconds to get them off.
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Old 05-26-14, 04:39 PM   #3
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I use a rubber mallet to get mine loose and to tighten them also. Standard Craftsman metric wrench.
Right is right had thread, left is left hand thread.
Make sure you put a little grease or anti-seeze on the new pedals when your installing them.
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Old 05-26-14, 05:12 PM   #4
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I've also seen pedals that don't have the little flat area for the pedal wrench mentioned by RonH. Sometimes you need to take them off with an allen wrench (look on the inside of the crank arm side).

If the pedals weren't greased properly when they were first installed, they can be really, really hard to get off. You sometimes need to find creative ways to get leverage.
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Old 05-26-14, 07:57 PM   #5
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Thanks, ya'll! Sounds like I just need to keep at it. Pretty tough to get these ones off. The sides are flat and the top/bottom are sort of rounded with grooves. I need a tune up anyway before an upcoming race so I might just have the shop do it. Anyway, thanks for the responses!
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Old 05-27-14, 05:46 AM   #6
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Welcome to BF and good luck with your uncooperative pedals!
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Old 05-28-14, 11:46 AM   #7
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Thanks! I contacted Jamis via Facebook and they asked what year and model I have. Hopefully it's not like certain years have pedals welded or super glued onto the crankarms!!
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Old 05-28-14, 04:55 PM   #8
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I actually just compared my Coda to my friend's Coda Sport and the nuts are completely different. The Sport has the standard metal nuts that can be wrenched out but mine has this rubber casing between the pedal and the crank arm. It's like a rounded hexagon shape. I don't really want to replace the crankset and would rather just get a new bike at this point! I've put a lot of $$ towards my Coda over the last few years.
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Old 05-29-14, 06:12 PM   #9
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Welcome to the site!
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Old 05-29-14, 07:17 PM   #10
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Originally Posted by BikeMapper2.0 View Post
Thanks, ya'll! Sounds like I just need to keep at it. Pretty tough to get these ones off. The sides are flat and the top/bottom are sort of rounded with grooves. I need a tune up anyway before an upcoming race so I might just have the shop do it. Anyway, thanks for the responses!
That sounds pretty standard. Can't believe you're considering a new bike because you can't get the old pedals off! (I think you were kidding.) Have the bike shop take them off for you - I don't think they'll charge you anything for it. Watch them do it, ask them how they did it, and buy a proper 15mm wrench so that you can do it yourself the next time. The wrench posted by RonH is awesome, but is probably overkill for most efforts. I have a slightly smaller wrench that works just fine. In the photo below, it's just slightly left of center. Like me.

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Old 05-30-14, 11:08 AM   #11
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Thanks, Duane. So even the rubber nut is pretty standard?
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Old 05-30-14, 02:34 PM   #12
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Thanks, Duane. So even the rubber nut is pretty standard?
I'm not sure. I did a google on your bike, and "Wellgo" pedals are most often mentioned. Is that what you have? If so, the posts I've seen indicate the pedals are installed and removed in the usual way and with a 15mm pedal wrench. None of them mention a rubber O-ring or washer between the pedal assembly and the crank arm.

I DO know that it took me awhile to learn the proper technique for removing pedals . . . which is why I suggested you take it to your LBS and watch them carefully as they remove them for you. I'm gonna guess they'll do it very quickly. Don't blink. :-)
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