Tarmac SL4 headset bearings

chatlow · January 2016

Headset bearings on my 2014 Specialized Tarmac Sora SL4 have died. Tried a few sites to find exact make/model of new ones, but struggling.

Does anyone know which ones to get? Happy with a like for like replacement.

chatlow · January 2016

I found this on Evans:

1-1/8" upper and 1-3/8" lower, Cr-Mo cartridge bearings integrated w/ headset, 20mm cone spacer, w/ 20mm of spacers.

Still not sure where I can get new ones from.. might have to call LBS and see what they say

profoundo · January 2016

I found the same info but they do also have a degree , top bearing according to my info 45/45. Bottom 36x45 (?)

Did you have any luck at your LBS ?

patrickf · January 2016

http://service.specialized.com/collater ... 3_RevB.pdf

It is a 1 3/8" bearing at the bottom. The reference doc above suggests it's 45/45.

Quick search finds this one: http://www.jejamescycles.co.uk/kinetic- ... 85254.html

Chrace · January 2019

Since this thread comes up when searching for SL4 headset replacement, I found this one:
https://www.edgesportsuk.com/store/comp ... pered.html

(No affiliation)

Tarmac SL4 headset bearings

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