Raleigh Triathlon Bottom Bracket

Rossco14 · Jan 1, 2015

Hi All,

I've just picked up a Raleigh Triathlon frame from ebay. Could anyone tell me what bottom bracket I should be using? I believe these originally ran 1987 Shimano 105 running gear. I assume therefore its tapped using a standard British Thread 24 TPI?

Any help would be appreciated.

Rossco

Midlife · Jan 1, 2015

I guess it depends on the chain set you are using. Single, double etc and the manufacturer ( jis / iso)

Shaun

Rossco14 · Jan 1, 2015

Re:

I was hoping to build this out initially as a single speed using campag record kit. Just want to make sure I select the right threads.

As the bike was originally built using 105 I'm hoping it was tapped using standard BSC on the BB with 24TPI.

Midlife · Jan 1, 2015

Yep, standard UK bottom bracket. Raleigh had dropped its own bb style quite a few years before your frame was made.

Shaun

Raleigh Triathlon Bottom Bracket

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