BB

[Newboy]

I am trying to educate myself a bit on BB's. So let's just stick to MTB for now. How accurate is the following:

1. There is predominantly 2 types of BB's - Pressfit and screw in (name?) this is specific to your frame.

2. For the types above you get BB30 (Shimano?) and GXP (SRAM?) these are crank specific?

 

Can somebody please clarify this for me?

 

What is the Road bike standards?

[fanievb]

for a start try this link, was posted on here a while ago

 

http://www.bikeradar.com/gear/article/complete-guide-to-bottom-brackets-36660/

[awesme]

Can I ask, since it is not directly answered,

 

if a BB housing is said to be BSA, what does it actually imply, my understanding is that a standard Hub from Shimano that screws in will fit into it.

 

ie : Shimano XT M770-SLX M660 Bottom Bracket

 

Please confirm.

 

G

[rouxtjie]

Can I ask, since it is not directly answered,

 

if a BB housing is said to be BSA, what does it actually imply, my understanding is that a standard Hub from Shimano that screws in will fit into it.

 

ie : Shimano XT M770-SLX M660 Bottom Bracket

 

Please confirm.

 

G

Yep...BSA...British Standard Threaded, screw in types...like the one you posted

[awesme]

Perfect, one thing less I have to buy for my carbon build.

 

G

 

Yep...BSA...British Standard Threaded, screw in types...like the one you posted