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Details and Specs:
Park Spanner Wrench (SPA)
Park Spanner wrenches are designed to aid in the installation and removal of several types of threaded bottom brackets, bottom bracket lock rings and cassette lock rings. They will NOT work on most cartridge-style bottom brackets.
SPA-1 (Green): The SPA-1 has two 2.9mm round pins that can be used on many types of threaded bottom brackets. SPA-2 (Red): The SPA-2 has two 2.3mm round pins that can be used on self extracting crank arm rings and some freewheel lock rings.