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Technical & Reference Section => Tech and Restoration => Topic started by: dirtbag jnr on October 04, 2006, 10:50 PM

Title: bottom bracket question
Post by: dirtbag jnr on October 04, 2006, 10:50 PM

ive been told that mid bb is just us pushed out of the bearing cups is this true, please help me as ive just bought a frame with a mid bb and currently have spanish so i need to no  :LolLolLolLol:

Title: Re: bottom bracket question
Post by: BrianP on October 05, 2006, 09:37 AM

morning dbj,

yeah for a 19mm BB, the bearings in a mid bb are just the R12 bearings out of a stanadrd US BB, eg profile, etc. without the cups.

dunno if this is the case with a regular 22mm US BB tho...

Bp.

ps hope ur grans doing better.

Title: Re: bottom bracket question
Post by: dirtbag jnr on October 05, 2006, 11:31 AM

thanks bp my nans coming home tomorrow and she will be staying with me so ill have my hands full looking after her :daumenhoch: 

i have primo cranks so i think ill just buy the bb kit to be on the safe side lol

Title: Re: bottom bracket question
Post by: BrianP on October 05, 2006, 01:22 PM

that's good news!

yeah, might be better, just in case ;)

what frame did u get?

Brian.

Title: Re: bottom bracket question
Post by: dirtbag jnr on October 05, 2006, 03:08 PM

i got myself one of them new sunday frames in grey with gyro tabs ans a 20,5tt, ive seen lazychubs one and i relly liked the way it rode so i bought one lol, but i have to wait over a week to get it coz alans have to order direct from padded cell and its the only one padded cell have left in that colour and size

Title: Re: bottom bracket question
Post by: BrianP on October 05, 2006, 07:29 PM

nice one  :daumenhoch:

those dropouts are a nice idea.

bet you can't wait!

Bp.

Title: Re: bottom bracket question
Post by: dirtbag jnr on October 05, 2006, 08:38 PM

no i cant i want it yesterday lol im really impatient with things like this i hate waiting lol

Title: Re: bottom bracket question
Post by: bof on October 06, 2006, 12:50 AM

Does that mean that you have a US primo BB for sale Im after one.

Title: Re: bottom bracket question
Post by: dirtbag jnr on October 06, 2006, 11:26 AM

bof i dont have one but my mate does he wants a tenner for it t's brand new

Title: Re: bottom bracket question
Post by: nathbmx2005 on October 06, 2006, 12:15 PM

i got 2 brand new bearings for primo cranks, 22mm

Title: Re: bottom bracket question
Post by: lazychubs on October 06, 2006, 07:08 PM

good choice in frame lol
wish i got gyro tabs now tho lol

Title: Re: bottom bracket question
Post by: dirtbag jnr on October 06, 2006, 07:17 PM

haha thanx rhys it's the only one padded cell have coming into the country in that size and colour with tabs there pretty rare apparently so i can't wait to get it :LolLolLolLol:

Title: Re: bottom bracket question
Post by: lazychubs on October 06, 2006, 07:20 PM

and yes the bearings are standard 19mm axle ones that push straight in