Mountain Tubeless Kit and Tire Installation


ENVE M50 Lightweight Tubeless Kit Installation Video

ENVE M60, M70, M90 Tubeless Kit Installation Video

General Installation Informational Video- This one covers tips on how to install the tire too!

Tools Required:

  • ENVE Tubeless Kit (2 Valve Extenders, 1 roll of tape)
  • Scissors
  • Floor Pump
  • Plastic Tire Lever (optional)
  • Tire Sealant
  • Alcohol or Acetone
  • Rag

Rim Preparation:

  • Wipe clean the tire bed of the rim using your rag and acetone to ensure that the surface is free of grease and debris.

Installation of ENVE Tubeless Kit

  • Thoroughly clean the inner rim channel with acetone or alcohol to completely clean the carbon surface.
  • Begin applying tape to the rim tire bed where the tape covers one spoke hole past the valve stem hole.  From there, tape towards the valve stem hole.
  • Apply with a generous amount of tension to ensure that the tape conforms to the lower rim channel. Avoid using direct pressure and use of bare hands to not damage the tape.

Tech Note:  Subtle rotations of the wrist back and forth will conform the tape sufficiently to the rim.

  • Continue past the starting point and finish with a 2-3 inch (5-8cm) overlap. The overlap should cross over the valve stem hole.

Tech Note:  The reinforcement found 180° from the valve stem hole on the rim should be completely covered by tape.

  • Press the valve stem through the tape at the valve stem hole after closing the valve core and firmly seat the stem in position until it conforms to the shape of the rim channel. Install the valve stem lock-ring with the rubber O-ring between rim and lock-ring. Tighten as firmly as you can with only your bare hands.
  • Place the tire and fill with air until tire bead pops loudly. This conforms the tape to rim bed completely. Then decompress the tire and insert latex sealant either through the valve stem or by opening the tire bead and directly into the tire. Then refill the tire with air.

Installing the Tire

Tech Note:  ENVE Composites mountain rims are designed around tubeless standards and for maximum tubeless performance we recommend using UST certified tires. Most tires labeled Tubeless Ready will work equally as well, but are not guaranteed to follow the strict dimensional requirements of UST. The use of Non-UST or Non-Tubeless Ready tires may require the use of more than one layer of tape and possibly an air compressor. If you have questions related to tire choice please contact ENVE Customer Service 877-358-2869.

  • Determine the recommended rotational direction as suggested by the tire manufacturer. Not all tires are directional but an arrow will generally be present on the sidewall of the tire to indicate the proper rotational direction.
  • Using only your hands, mount one side of the tire bead onto the rim aligning the tire’s logo with the rim’s valve stem hole.
  • Mount the opposite tire bead, starting opposite the valve stem and working down both sides of the rim towards the valve stem.
  • As you are installing the second side of the tire, ensure that you are pushing the tire into the rim channel (the channel has a smaller diameter and will provide some excess slack) as you work towards the valve hole.  You will need to end at the valve hole.
  • Leave enough tire bead (generally 5-8 inches) exposed so that you can install your tire sealant of choice.

Tech Note:  Latex based sealants are safe to use in ENVE mountain wheels. However, there are many tire manufacturers that do not permit the use of sealant with their tires. Check with the tire manufacturer if you are unsure whether your tires are sealant approved.

  • Install sealant, and rotate the wheel so that the sealant is opposite of the open tire bead.
  • Insert the remaining portion of tire bead into the rim. This will definitely require two hands and some muscle.
  • Inflate the tire to lock the beads into the rim. You will hear and feel them snap into place.
  • Verify that the bead is fully seated by checking that the bead seat indicator line is equally displayed above the rim edge around the entire rim. If not, deflate and retry.

Tech Note:  Never exceed maximum pressure rating of the rim while attempting to seat the tire bead. Use soapy water as a lubricant on beads that don’t want to seat.

Removing the Tire

  • Deflate the tire.
  • Opposite the valve stem, push one bead of the tire into the center channel of the rim and then remove the bead. You will most likely need to use a plastic tire lever, but before you do make sure the bead is completely loose and resting in the center channel.
  • Repeat for opposite bead.
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