Valve Stem Extenders, 60mm
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The iRT removable valve core extenders ensure the easiest possible user experience. Available in 60mm, they match any iRT rim. Includes alloy installation tool. NOTE: Must be used with a valve stem with a removable core. 

The recommended tube/rim combinations are as followed:

38C: 48mm - 60mm tube (No valve extender needed)                                   

50C: 60mm - 80mm tube (No valve extender needed)                               

585C: Front Wheel; 80mm REAR; 32mm - 48mm (with valve extender)  

Full Carbon Disc: Standard tubular tire (No valve extender needed)