squince Posted February 9, 2006 Report Share Posted February 9, 2006 like it says in the topic description how can you get a cog (18 tooth gold echo one) off a mod crank arm cheers andy Quote Link to comment Share on other sites More sharing options...
ogre Posted February 9, 2006 Report Share Posted February 9, 2006 Get a chain whip Whipage and use one of them Quote Link to comment Share on other sites More sharing options...
Mark W Posted February 9, 2006 Report Share Posted February 9, 2006 Once you've snapped that chainwhip, wrap some old chain around the sprocket, then clamp it in a vice. The chain protects the teeth, and also allows it to grip the vice pretty well, so you can hammer the minx off. "Try it, it worked for me " stylee, there. Quote Link to comment Share on other sites More sharing options...
Walleee Posted February 9, 2006 Report Share Posted February 9, 2006 Get a chain whip Whipage and use one of them If it's anywhere near as tight as a rear cog it's simply not coming off conventionally, I had to grind a rear cog and split it before I could get it off. Quote Link to comment Share on other sites More sharing options...
ogre Posted February 9, 2006 Report Share Posted February 9, 2006 sorry, I've never had to do it before, i was only trying to help... Quote Link to comment Share on other sites More sharing options...
squince Posted February 9, 2006 Author Report Share Posted February 9, 2006 Once you've snapped that chainwhip, wrap some old chain around the sprocket, then clamp it in a vice. The chain protects the teeth, and also allows it to grip the vice pretty well, so you can hammer the minx off. "Try it, it worked for me " stylee, there.Yeh mark, already bent one lol Iven just been trying your method and it was just ripping itself out the vice.Anyhooo i will try again Also is it possible to bend the cog if i overtighten the vice?cheers andy Quote Link to comment Share on other sites More sharing options...
011001000110010101110010 Posted February 9, 2006 Report Share Posted February 9, 2006 Do as mark said with the old chain the the vice and use some form of bar to get loads of leverage on the crank arm while its in the vice. Quote Link to comment Share on other sites More sharing options...
squince Posted February 9, 2006 Author Report Share Posted February 9, 2006 All sorted, i was being a pussy tightening the vice cheers andy Quote Link to comment Share on other sites More sharing options...
Walleee Posted February 9, 2006 Report Share Posted February 9, 2006 sorry, I've never had to do it before, i was only trying to help...Nah man just going on my experiance of rear cog's I thought the two would have been as tight as each other but perhaps not... Quote Link to comment Share on other sites More sharing options...
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