40w rims are the choice for the truly big tires out there. Providing ample support for high volume, modern mountain bike and plus tires, 40w’s are a great compromise between width, weight, and stiffness. If you’re looking to up the game on your big-tired mountain bike, these are a great place to start a build. As with all Whisky rims, these include the tubeless valves and tape required in the box.
- Designed to be used with spoke nipple washers
- Recommended weight limit 240lbs
- 50psi max tire pressure
Going tubeless allows you to run lower tire pressures without the added weight of a tube. Lower tire pressure has many benefits, including greater traction, lower rolling resistance over rough surfaces, and decreased risk of a puncture-related flat.
Tubeless-ready rims and tires are parts of a complete system that eliminate the need for tubes by creating an airtight chamber between the rim and tire. Liquid sealant is added to the chamber to fill small punctures and maintain air pressure while you ride.
UST (Universal Standard for Tubeless) is a specific type of tubeless system that dictates the shape of the rim and tire bead. UST rims should be paired with UST-specific tires for best results.
|Inner Rim Width||35mm|
|Outer Rim Width||40.5mm|
|Extras||Tubeless tape and valve|
* Subject to change without notice.
|Carbon / 32 / 27.5+||708752216099||RM2634|