Wonder Valve Stem TR 412 Short & TR 413 regular valve stems.
Know your getting good quality. Made in Italy and used by top end vehicle manufacturers around the globe.
There are 2 versions of the value stems:
Short TR 412:
These are the shortest version available to help remove the risk of damage from wheel to wheel racing. The flexible nature of these stems also allow for light contact without being damaged.
Regular TR 413:
These are a longer version that allows easier access when the valve is located in a tight spot (between spokes or deep dish rims etc.). The flexible nature of these stems also allow for light contact without being damaged.