Can you get a threaded bb30?











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I've a threaded shell, but i have got bb30 cranks, can you get threaded bb30 bottom brackets that the it can with fit the bb30 cranks?










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  • I've a threaded shell Does that mean your frame itself has an Italian or BSA/English threaded bottom bracket shell? And you want to use a BB30 crankset on it?
    – Andrew Henle
    4 hours ago












  • I've a english thread. Yes, i want to use a bb30 crankset.
    – Ervins K
    4 hours ago















up vote
3
down vote

favorite












I've a threaded shell, but i have got bb30 cranks, can you get threaded bb30 bottom brackets that the it can with fit the bb30 cranks?










share|improve this question






















  • I've a threaded shell Does that mean your frame itself has an Italian or BSA/English threaded bottom bracket shell? And you want to use a BB30 crankset on it?
    – Andrew Henle
    4 hours ago












  • I've a english thread. Yes, i want to use a bb30 crankset.
    – Ervins K
    4 hours ago













up vote
3
down vote

favorite









up vote
3
down vote

favorite











I've a threaded shell, but i have got bb30 cranks, can you get threaded bb30 bottom brackets that the it can with fit the bb30 cranks?










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I've a threaded shell, but i have got bb30 cranks, can you get threaded bb30 bottom brackets that the it can with fit the bb30 cranks?







bottom-bracket






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asked 4 hours ago









Ervins K

343




343












  • I've a threaded shell Does that mean your frame itself has an Italian or BSA/English threaded bottom bracket shell? And you want to use a BB30 crankset on it?
    – Andrew Henle
    4 hours ago












  • I've a english thread. Yes, i want to use a bb30 crankset.
    – Ervins K
    4 hours ago


















  • I've a threaded shell Does that mean your frame itself has an Italian or BSA/English threaded bottom bracket shell? And you want to use a BB30 crankset on it?
    – Andrew Henle
    4 hours ago












  • I've a english thread. Yes, i want to use a bb30 crankset.
    – Ervins K
    4 hours ago
















I've a threaded shell Does that mean your frame itself has an Italian or BSA/English threaded bottom bracket shell? And you want to use a BB30 crankset on it?
– Andrew Henle
4 hours ago






I've a threaded shell Does that mean your frame itself has an Italian or BSA/English threaded bottom bracket shell? And you want to use a BB30 crankset on it?
– Andrew Henle
4 hours ago














I've a english thread. Yes, i want to use a bb30 crankset.
– Ervins K
4 hours ago




I've a english thread. Yes, i want to use a bb30 crankset.
– Ervins K
4 hours ago










2 Answers
2






active

oldest

votes

















up vote
4
down vote













There are some solutions in forms of bottom brackets designed to run 30 mm cranks in a threaded BSA bottom bracket shell. The deciding factor is the spindle length.



Searching the net for "bb30 crankset in bsa frame" gives e.g. this:




Threaded to 30mm Angular Contact BB - Black



Our solution for running a 30mm spindle crankset in a BSA threaded frame.



Notes:



For use with 30mm diameter cranks with a spindle length of at least 104mm. Will not work with standard BB30 cranksets.







share|improve this answer





















  • This is 100% correct, the limitation is the spindle length. I run 30mm THM Clavicula SE cranks on a THM BB on a BSA frame. I was also going to run FSA Cranks BB386EVO Cranks on a FSA MegaEvo Road BB that also work.
    – sjakubowski
    56 secs ago


















up vote
1
down vote














can you get threaded bb30 bottom brackets that the it can with fit the bb30 cranks?




That won't work, as the threaded bottom bracket shell simply isn't large enough.



BB30 cranksets have a 30mm spindle diameter. Per Wikipedia, the maximum internal width of an English or Italian-threaded bottom bracket is about 34 mm. Those few millimeters are not enough space for bearings.



I also think the BB30 crankset spindle will be too short.






share|improve this answer





















  • But bearings can be in external cups and as such won't be limited to 4 mm
    – Grigory Rechistov
    2 hours ago










  • Yep, BB30 spindles are designed for BB shells either 68 or 73mm wide, so you can’t have an external bearing solution.
    – Argenti Apparatus
    1 hour ago










  • The bottom bracket is more than large enough. The issue is only the spindle / offset on the crank.
    – sjakubowski
    11 secs ago











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2 Answers
2






active

oldest

votes








2 Answers
2






active

oldest

votes









active

oldest

votes






active

oldest

votes








up vote
4
down vote













There are some solutions in forms of bottom brackets designed to run 30 mm cranks in a threaded BSA bottom bracket shell. The deciding factor is the spindle length.



Searching the net for "bb30 crankset in bsa frame" gives e.g. this:




Threaded to 30mm Angular Contact BB - Black



Our solution for running a 30mm spindle crankset in a BSA threaded frame.



Notes:



For use with 30mm diameter cranks with a spindle length of at least 104mm. Will not work with standard BB30 cranksets.







share|improve this answer





















  • This is 100% correct, the limitation is the spindle length. I run 30mm THM Clavicula SE cranks on a THM BB on a BSA frame. I was also going to run FSA Cranks BB386EVO Cranks on a FSA MegaEvo Road BB that also work.
    – sjakubowski
    56 secs ago















up vote
4
down vote













There are some solutions in forms of bottom brackets designed to run 30 mm cranks in a threaded BSA bottom bracket shell. The deciding factor is the spindle length.



Searching the net for "bb30 crankset in bsa frame" gives e.g. this:




Threaded to 30mm Angular Contact BB - Black



Our solution for running a 30mm spindle crankset in a BSA threaded frame.



Notes:



For use with 30mm diameter cranks with a spindle length of at least 104mm. Will not work with standard BB30 cranksets.







share|improve this answer





















  • This is 100% correct, the limitation is the spindle length. I run 30mm THM Clavicula SE cranks on a THM BB on a BSA frame. I was also going to run FSA Cranks BB386EVO Cranks on a FSA MegaEvo Road BB that also work.
    – sjakubowski
    56 secs ago













up vote
4
down vote










up vote
4
down vote









There are some solutions in forms of bottom brackets designed to run 30 mm cranks in a threaded BSA bottom bracket shell. The deciding factor is the spindle length.



Searching the net for "bb30 crankset in bsa frame" gives e.g. this:




Threaded to 30mm Angular Contact BB - Black



Our solution for running a 30mm spindle crankset in a BSA threaded frame.



Notes:



For use with 30mm diameter cranks with a spindle length of at least 104mm. Will not work with standard BB30 cranksets.







share|improve this answer












There are some solutions in forms of bottom brackets designed to run 30 mm cranks in a threaded BSA bottom bracket shell. The deciding factor is the spindle length.



Searching the net for "bb30 crankset in bsa frame" gives e.g. this:




Threaded to 30mm Angular Contact BB - Black



Our solution for running a 30mm spindle crankset in a BSA threaded frame.



Notes:



For use with 30mm diameter cranks with a spindle length of at least 104mm. Will not work with standard BB30 cranksets.








share|improve this answer












share|improve this answer



share|improve this answer










answered 2 hours ago









Grigory Rechistov

4,289829




4,289829












  • This is 100% correct, the limitation is the spindle length. I run 30mm THM Clavicula SE cranks on a THM BB on a BSA frame. I was also going to run FSA Cranks BB386EVO Cranks on a FSA MegaEvo Road BB that also work.
    – sjakubowski
    56 secs ago


















  • This is 100% correct, the limitation is the spindle length. I run 30mm THM Clavicula SE cranks on a THM BB on a BSA frame. I was also going to run FSA Cranks BB386EVO Cranks on a FSA MegaEvo Road BB that also work.
    – sjakubowski
    56 secs ago
















This is 100% correct, the limitation is the spindle length. I run 30mm THM Clavicula SE cranks on a THM BB on a BSA frame. I was also going to run FSA Cranks BB386EVO Cranks on a FSA MegaEvo Road BB that also work.
– sjakubowski
56 secs ago




This is 100% correct, the limitation is the spindle length. I run 30mm THM Clavicula SE cranks on a THM BB on a BSA frame. I was also going to run FSA Cranks BB386EVO Cranks on a FSA MegaEvo Road BB that also work.
– sjakubowski
56 secs ago










up vote
1
down vote














can you get threaded bb30 bottom brackets that the it can with fit the bb30 cranks?




That won't work, as the threaded bottom bracket shell simply isn't large enough.



BB30 cranksets have a 30mm spindle diameter. Per Wikipedia, the maximum internal width of an English or Italian-threaded bottom bracket is about 34 mm. Those few millimeters are not enough space for bearings.



I also think the BB30 crankset spindle will be too short.






share|improve this answer





















  • But bearings can be in external cups and as such won't be limited to 4 mm
    – Grigory Rechistov
    2 hours ago










  • Yep, BB30 spindles are designed for BB shells either 68 or 73mm wide, so you can’t have an external bearing solution.
    – Argenti Apparatus
    1 hour ago










  • The bottom bracket is more than large enough. The issue is only the spindle / offset on the crank.
    – sjakubowski
    11 secs ago















up vote
1
down vote














can you get threaded bb30 bottom brackets that the it can with fit the bb30 cranks?




That won't work, as the threaded bottom bracket shell simply isn't large enough.



BB30 cranksets have a 30mm spindle diameter. Per Wikipedia, the maximum internal width of an English or Italian-threaded bottom bracket is about 34 mm. Those few millimeters are not enough space for bearings.



I also think the BB30 crankset spindle will be too short.






share|improve this answer





















  • But bearings can be in external cups and as such won't be limited to 4 mm
    – Grigory Rechistov
    2 hours ago










  • Yep, BB30 spindles are designed for BB shells either 68 or 73mm wide, so you can’t have an external bearing solution.
    – Argenti Apparatus
    1 hour ago










  • The bottom bracket is more than large enough. The issue is only the spindle / offset on the crank.
    – sjakubowski
    11 secs ago













up vote
1
down vote










up vote
1
down vote










can you get threaded bb30 bottom brackets that the it can with fit the bb30 cranks?




That won't work, as the threaded bottom bracket shell simply isn't large enough.



BB30 cranksets have a 30mm spindle diameter. Per Wikipedia, the maximum internal width of an English or Italian-threaded bottom bracket is about 34 mm. Those few millimeters are not enough space for bearings.



I also think the BB30 crankset spindle will be too short.






share|improve this answer













can you get threaded bb30 bottom brackets that the it can with fit the bb30 cranks?




That won't work, as the threaded bottom bracket shell simply isn't large enough.



BB30 cranksets have a 30mm spindle diameter. Per Wikipedia, the maximum internal width of an English or Italian-threaded bottom bracket is about 34 mm. Those few millimeters are not enough space for bearings.



I also think the BB30 crankset spindle will be too short.







share|improve this answer












share|improve this answer



share|improve this answer










answered 4 hours ago









Andrew Henle

88146




88146












  • But bearings can be in external cups and as such won't be limited to 4 mm
    – Grigory Rechistov
    2 hours ago










  • Yep, BB30 spindles are designed for BB shells either 68 or 73mm wide, so you can’t have an external bearing solution.
    – Argenti Apparatus
    1 hour ago










  • The bottom bracket is more than large enough. The issue is only the spindle / offset on the crank.
    – sjakubowski
    11 secs ago


















  • But bearings can be in external cups and as such won't be limited to 4 mm
    – Grigory Rechistov
    2 hours ago










  • Yep, BB30 spindles are designed for BB shells either 68 or 73mm wide, so you can’t have an external bearing solution.
    – Argenti Apparatus
    1 hour ago










  • The bottom bracket is more than large enough. The issue is only the spindle / offset on the crank.
    – sjakubowski
    11 secs ago
















But bearings can be in external cups and as such won't be limited to 4 mm
– Grigory Rechistov
2 hours ago




But bearings can be in external cups and as such won't be limited to 4 mm
– Grigory Rechistov
2 hours ago












Yep, BB30 spindles are designed for BB shells either 68 or 73mm wide, so you can’t have an external bearing solution.
– Argenti Apparatus
1 hour ago




Yep, BB30 spindles are designed for BB shells either 68 or 73mm wide, so you can’t have an external bearing solution.
– Argenti Apparatus
1 hour ago












The bottom bracket is more than large enough. The issue is only the spindle / offset on the crank.
– sjakubowski
11 secs ago




The bottom bracket is more than large enough. The issue is only the spindle / offset on the crank.
– sjakubowski
11 secs ago


















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