Klein BB Spindle

Klein used an ingenious press-fit bottom bracket system with a steel or titanium spindle of various sizes and bearings pressed into the B.B. shell.The spindles came in various sizes and were matched to most of the compatible cranks of the time.
BOTTOM BRACKET SPINDLE
Material 4340 Steel; hardened to 42 – 47 R.C.
Taper Length 19.8mm
Taper Square 12.6mm
Thread Size 8 x 1mm, 25mm deep
Outside Diameter 17mm
Lengths Available (mm) 104, 106, 108, 113, 117, 119, 121, 125, 130, 135
Bottom Bracket Bearings

BOTTOM BRACKET BEARING
F.A.G. Sealed Bearing
Inside Diameter 17mm
Outside Diameter 34.9mm
Width 10mm
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