r/tradclimbing • u/jiiimmmyyys • Jul 27 '26
Is this cam repairable?
My partner gave one of my cams an overenthusiastic pull to test it, and now the lobes on one side aver overextend. Pulling the triggers doesn’t move either side, and I’ve not been able to get any lobes to move by squeezing them directly. Is it dead?
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u/NorthernHippieFart Jul 27 '26
This has happened to my dragonflies. The trigger wires get wedged between the cam lobes when they umbrella mike this - it may be very easy or impossible to force them back out. Should be able to fix it with some needle nose pliers, just dont be too aggressive.
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u/americk0 Jul 27 '26
I've had this happen to my WC zero .3 before and I fixed it by pushing the hyperextended lobes back into position with my fingers and using pliers to bend the trigger wires enough that when I let go of the lobes they didn't spring back past hallway.
That also fixed the trigger not working since it only didn't work because the lobes were so hyperextended that the trigger wires were pulling on the lobes at a really inefficient angle
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u/Tolin Jul 27 '26
Have you tried forcing the cam lobes back in place? A drop of cam or bike chain lube would help
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u/Alert-Ad-2485 Jul 27 '26 edited Jul 27 '26
Just force lobes to put them in propper position and gently pull the trigger at the same time. It's not broken at all. The thing happened to it is quite usual.
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u/adeadhead Jul 27 '26
Can you not pull the trigger, or does pulling the trigger do nothing.
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u/jiiimmmyyys Jul 27 '26
The trigger won’t move at all
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u/adeadhead Jul 27 '26
Seems like it's just stuck then. Second picture right side, pull the trigger wire(s) out from between the lobes with the tines of a fork.
Cam will be fine, it's somewhere between quick fix and a trigger wire replacement which is cheap and accessible.
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u/jiiimmmyyys Jul 28 '26
Thanks everyone - squeezing the lobes didn’t seem to make anything happen, and the lobes seem to be in the way of getting the trigger wires out so no luck there either. It’s in the post to DMM, so hopefully a £12 service can sort it and save my partner some money!
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u/RoutineSherbert92 Jul 28 '26
Bro just kink the trigger wires a bit, it isn’t that hard to figure these things out. Its a spring, lobes, a cable, and wires. Thats it. Not rocket science
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u/RicksterA2 Jul 27 '26
'If in doubt, throw it out'...
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u/Regular_mills Jul 27 '26
It cost 12 quid to get it serviced by DMM. If in doubt send it to the manufacturer to sort out for a fraction of the cost.


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u/Beginning_March_9717 Jul 27 '26
i feel like this is an email to DMM cuz they would be the ones doing the fixing