The WTB KOM Tough Rims are designed and built to be ridden hard, with no exceptions. Internal I-beam support increases lateral stiffness while a TCS solid strip and tubeless tape brings the exponential advantages of tubeless tires to the trail. 

Features:

• Dual I-Beam construction increases strength and stiffness
• Extruded from AL 6069 for durability and reasonable weight
• Updated spoke bed provides a more congruent interface between nipple and rim
• WTB Solid Strip and Flexible Rim Tape are required for tubeless setup
• 30mm internal rim width is optimized for running 2.3-2.6″ tires

Specifications:

Wheel Size: 27.5″ or 29″

ISO Diameter (ETRTO): 584 or 622

Effective Rim Diameter (ERD): 570 or 605

Spoke Count: 32H

Brake Type: Disc Brake

Rim Joint: –

Rim Dimensions: 30mm (Internal)

Valve: Presta

Tire Type: Tubeless (Clincher)

Material: Aluminum

Color: Black

Weight: 517g (27.5″), 552g (29″)

This product is expected to become available for purchase on Tuesday, December 2, 2025