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This is one of the few extractors which works with all the types of crank that take an extactor. The extractor works with ISIS, cotterless and even Octalink (bikes) setups. This compact and light tool requires a 15mm open-ended spanner & 8mm allen key to use (not supplied with the product).
What a cutomer said about the Mini Bike.
Robingx said: When you come to take a crank off, you screw this in place of the crank bolt. Then wind in the inner part which pushes the crank off cleanly and simply without damaging the splines. An essential bit of kit.