Park BBT-7 fits higher end lock-rings with 6 notches, never adjust your sugino/campy/dura-ace/xtr/syncros without one. . The HCW-5 is meant for crap old three notch rings.
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1 Super Record bike, 1 Nuovo Record bike, 1 Pista, 1 Road, 1 Cyclocross/Allrounder, 1 MTB, 1 Touring, 1 Fixed gear