ENVE Tubeless Valve Stem tests The Wheels Manufacturing 309 Derailleur

The Wheels Manufacturing 309 Derailleur Hanger is a meticulously machined replacement part

+/- 3% accuracy

The Favero Assioma PRO RS Pedal Body is a genuine replacement part

Oversized carbon rails for lightweight strength (specific seat post rail clamps required)

ENVE Tubeless Valve Stem tests The Wheels Manufacturing 309 DerailleurENVE tubeless valves provide a reliable solution for tire seating and maintenance. These threaded Presta stems feature removable cores to make sealant refreshes and high volume inflation simple for any rider. The design includes a specific rubber stop to fit the ENVE rim center channel perfectly. These stems are sized for different wheel depths to ensure a secure and airtight tubeless setup on your performance wheels. Quick Facts Feature Specification