Bb30 Crankset In Bsa Frame

Si crank bolts 14g.

Bb30 crankset in bsa frame.

Dub is compatible with bsa threaded pf86 pf92 bb30 73mm shell and pf30 73mm shell bottom brackets and cranksets are completely interchangeable between the different standards. 121mm bb30 spindle 91g. C bear new pf42 30 bottom bracket solution to annoying creaking from bb30 bearings directly installed in the frame. Pf41 frame shell and bearing cup the pf41 press fit standard is available with several bearing inside diameters for various crank spindle systems such as 24mm 28 99mm 30mm and the stepped 22 24mm.

Pf42 also known as bb30 bb30a bb30ai bbright direct fit the term pf42 refers to the inside diameter of the shell. This configuration makes for a weight savings of 70g from the previous setup to the integrated chain ring setup. Before the introduction of bsa30 there really wasn t an answer to this question. There are a number of topics regarding this on weightweenies.

Recommended torque is in the range of 35 nm to 45 nm. If you have above average strength you may reach 40 nm or more. Though it is not particularly easy or cost effective. Bb30 specifically refers to a standard that used 68 or 73mm shells with a 42mm inner diameter meant to press 6806 bearings directly into the frame which had a 30mm internal diameter.

C bear pf42 30 instead of pressing bb30. First s t30 bottom bracket bsa adapter comes with its own special wrench.