BB washers.

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seanryan
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BB washers.

Postby seanryan » 23 Jan 2014, 22:15

Got a new shimano hollowetech bottom bracket and it came with 2 washers external diameter about 20mm and internal about 15, what are they for does anyone know?
I wanna go fast!
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Psycholist
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Re: BB washers.

Postby Psycholist » 23 Jan 2014, 23:08

You didn't get a BB30 press fit one or something? The standard threaded version has 3 2.5 mm thick washers with it, which are a little over 1.37" in inside diameter... Stick up a photo of the parts you got...
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seanryan
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Re: BB washers.

Postby seanryan » 23 Jan 2014, 23:12

No its standard threaded.
It came with DS and non DS cup including the black tunnell. and also has 3 spacers to fit the bb to the frame 68/73mm. and it came with two small other washers about 1mm thick in the same bag as the 3 spacers.
My measurements aint exact just a guess im not at home so will put up pictures in the morning.
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Re: BB washers.

Postby Psycholist » 23 Jan 2014, 23:39

They wouldn't be to protect the crank arms from being chewed by the pedal axles as they're tightened to the crank by any chance?
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Re: BB washers.

Postby seanryan » 24 Jan 2014, 00:02

That's extremely possible I bought them together the cranks and bb so I'll check that in the morning and let you know!!
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crashgordon
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Re: BB washers.

Postby crashgordon » 30 Jan 2014, 00:14

They're for spacing 68mm BB shells up to 72mm. Measure your frame to find out if you need them; look in the instructions to see where they go.
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Re: BB washers.

Postby seanryan » 30 Jan 2014, 00:17

No they're not the spacers I know that much, checked it now it looks like they're the pedal washers as cormac suggested.
I wanna go fast!
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