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  1. #1
    pluto123
    Join Date
    Jul 2005
    Location
    new bern n.c.
    My Bikes
    trek 7300
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    question about pedal arm

    I have a trek 7300 . The leftside pedal arm screw(?) comes loose and I have to keep putting it back on.I dont know what the part is actually called so I will try to explain my problem. It is the arm with the pedal attatched to it. The screw that holds it to the bike keeps backing out and now the square hole has rounded out a little. the arm has bontrager etched into it.Will I need to have it replaced or can I continue to ride it safely. It doesnt show any wobble when I tighten it . Help an old man out, Thanks

  2. #2
    Senior Member Retro Grouch's Avatar
    Join Date
    Feb 2004
    Location
    St Peters, Missouri
    My Bikes
    Rans Enduro Sport, Hase Kettweisel Tandem, Merin Bear Valley beater bike
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    Yeah, you need to get a replacement crankarm. Once that square hole starts to round out it will never stay attached. If you're not overly particular about having an exact match they aren't too expensive.

  3. #3
    pluto123
    Join Date
    Jul 2005
    Location
    new bern n.c.
    My Bikes
    trek 7300
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    Thank you Sir for your response. Can you recommend a good replacement .Can you tell me ,will I have to purchase a pair or can I just buy the leftside crankarm.

  4. #4
    Old fart JohnDThompson's Avatar
    Join Date
    Nov 2004
    Location
    Appleton WI
    My Bikes
    Several, mostly not name brands.
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    Quote Originally Posted by pluto123 View Post
    Thank you Sir for your response. Can you recommend a good replacement .Can you tell me ,will I have to purchase a pair or can I just buy the leftside crankarm.
    Whatever your local bike shop is able to sell you ought to suffice. Left arms should be available separately at any decently stocked shop.

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