Joined: Jan 2010
Posts: 9,813
Likes: 1,790
From: Northern California
Bikes: Cheltenham-Pedersen racer, Boulder F/S Paris-Roubaix, Varsity racer, '52 Christophe, '62 Continental, '92 Merckx, '75 Limongi, '76 Presto, '72 Gitane SC, '71 Schwinn SS, etc.
I don't see any sleeve there at all, even the weld or casting ridge appears clear across the inside of the bb shell.
Beware of ordering from Bikewagon. I have twice had to return items which were (I believe deliberately) marketed using photos of higher-quality merchandise than was actually shipped. The Sunlite bb will likely be far, far cruder than the YST unit shown!
It's just how they do business online I'm afraid.
This bb shell is a good candidate for either Italian threading (it's already at 70mm) or for one of the threaded-together and chamfered models of "threadless" bb's.
Note that a threaded-together bottom bracket intended for 68mm will end up offset 1mm to the right in a 70mm shell. So you'll want to order a 2mm-shorter bottom bracket spindle length than what the crank is spec'd for.
35mm OD cartridge bearings may press right in, but getting the right spindle to complete the assembly will either be expensive, or hard to find cheaply.
Last edited by dddd; 11-02-21 at 01:11 PM.