2 of 2 people found the following review helpful
At Last I Don't Have To Use A Blowtorch,
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This review is from: WMA Black Bike Cycle Tool Crank Extractor Remover Puller (Sports)
For many years now I have had trouble removing parts from the crank and saw this device on Amazon. I normally have to contend with very old rusty bikes and in the past, after a couple of days of soaking in a rust release agent, I have then even had to resort to using a blow torch to heat the item up to remove it, not a good option for a more modern bike as this method can damage paintwork, etc. I tried this device and it worked very well, just removed the peddle retaining nut, screwed the device, the black bit, into the peddle thread, then attached the chrome section and turned it with the spanner supplied, and it released the peddle. I did also try the device on some very old bikes, however, the construction of these was slightly different and it was unable to break the bond. Not a universal device, but very good for bikes that are not that old.