Bb30 Crank In Bsa Frame

Si crank bolts 14g.

Bb30 crank in bsa frame.

Pf42 also known as bb30 bb30a bb30ai bbright direct fit the term pf42 refers to the inside diameter of the shell. 121mm bb30 spindle 91g. It may or may not be worth it but it looks great and it can be done. If you have above average strength you may reach 40 nm or more.

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. Rotor s bsa30 bottom bracket allows the installation of bb30 cranks into a standard. We currently make bottom brackets and adaptors for bsa bb30 and pf30 frames and are working on bb86 bottom brackets. Frames with bb386 evo shells should be able to run almost any crank.

They use a 29 64mm spindle however the problem is bb30 cranks are designed for a narrower q factor so the chain line won t be very good and getting that right is the difficult part. Well really all you have to do is get some vuma quad cups rotors new bsa 30 cups should theoretically work as well though i m not aware of anyone trying it. They have the exact same interface. Turning the bearing cup with the wrench to the point where no more movement possible will give you a torque setting of between 35 38 nm.

This configuration makes for a weight savings of 70g from the previous setup to the integrated chain ring setup. Use bb30 technology on your english threaded frame. You can however use the raceface 68 73mm spindle on cannondale hollowgram cranks with most of the bsa30 threaded cups. Recommended torque is in the range of 35 nm to 45 nm.

Va bb30 to bsa adapter sram truvativ pressfit to external bottom bracket 68 73 powered by bb30 to bsa adapter item. Specialized adapted their s works crank for overend to work in a bsa bb using some zipp vumaquad 30mm threaded cups a few years back. First s t30 bottom bracket bsa adapter comes with its own special wrench.