Hobson-Zingo BB Adjustable Cup Pin Spanner for Tange Traditional Bottom Bracket

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On an English-threaded (normal and on our bikes) traditional cup-and-cone bottom bracket like the Tange one we sell, you adjust the bearings by tightening or loosening the adjustab le bearing cup (opposite the crank side) by sticking the pins on this took in them and turning clockwise to tighten and counter-clockwise too loosen. Once the adjustment is fine—the spindle turns smoothly and without any play—you hold the adjustment in place with the same tool, while you tighten the lockring, to lock in the adjustment. We have a lockring tool, too. Show more