Have questions or want to discuss cycling? Join Now or Sign In to participate in the BikeRide community.


Cup and cone or cartridge?
#1
I have a 2006 Trek 7300 hybrid. How can I tell whether I have a cup and cone or a cartridge for a bottom bracket? Do I have to take it apart or are there tell tale signs I can see from the outside?

  Reply
#2
See Sheldon Browns site:-
http://www.sheldonbrown.com/gloss_bo-z.html#bottom
Should help?

Ride hard or ride home alone!
  Reply
#3
if you just take the crank arm of you should be able to tell.
  Reply
#4
I can assure you that it is a cartridge BB.
Wheelies don't pop themselves. (from a QBP fortune cookie)
  Reply


Possibly Related Threads...

Forum Jump:

[-]
10 Latest Posts
Hatch Chiles Rule!
Yesterday 04:56 PM
Should eBikers have to get an eBike lice...
Yesterday 05:21 AM
How Bad Are E-bikes By You?
11-08-2026 10:29 PM
Shortness of breath.
11-08-2026 09:56 PM
Hello All
11-06-2026 09:03 AM
I don't usually wear a bike helmet. Does...
11-06-2026 02:48 AM
Chain skips under heavy load when pedall...
11-06-2026 02:44 AM
Are 26" really dying out?
11-05-2026 08:22 PM
Catastrophic bicycle failures
11-05-2026 08:15 PM
Our new review format – we'd like your f...
11-04-2026 05:51 AM

[-]
Join BikeRide on Strava
Feel free to join if you are on Strava: www.strava.com/clubs/bikeridecom

[-]
Top 5 Posters This Month
no avatar 1. Flowrider
25 posts
no avatar 2. ReapThaWhirlwind
11 posts
no avatar 3. meamoantonio
11 posts
no avatar 4. GirishH
10 posts
no avatar 5. Jesper
7 posts