Bolting on T Valves

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There were 2 sizes of T-valves sold by FOBO. This isn't the mounting size for the rim. This is the length of the various "arms" of the T. The second version was noticeably smaller to allow for clearance of moving bits on more bikes I should say. I got the smaller valves yet to be installed but didn't take any measurements. These are less likely to run afoul of moving parts and look a tad (but only a tad) less inelegant than the previous version.

Order from FOBO you'll get the smaller valves. Cyclemax looks to offer the same stems. From somebody else it's possible you might get NOS. Even those might not be a problem functionally. But they will stand out a bit more if that's a concern.

A popular alternative

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available from a number of sources is tidier than the smaller tidy FOBO if a little less convenient. The pic shows different size stems – 11.3mm for ST and Other bikes / 8.3mm for other Other bikes.
 
The “T” stems from fobo are the best ones to use if you use a TPMS sensors, put the sensor on the vertical arm and use the horizontal to add air. The TPMS sensors weigh enough that you should balance the wheels after you install them.
 
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