WTB i76 KOM Light TCS 26" Fat Bike Rim is a lightweight, high-volume alloy rim built to keep a 26-inch fat bike responsive without giving up the durability needed for everyday trail and snow riding. Its open cavity design trims unnecessary material, helping reduce rotating weight for quicker acceleration and easier climbing, while the AL6069 alloy construction is built to handle regular hard use.
Designed around WTB TCS standards, the rim supports straightforward tubeless setups to lower pressures for better traction and control with fewer pinch-flat worries. The double-wall structure with recessed nipple beds helps protect the spoke interface and supports reliable wheel builds over time.
Open cavity rim design - reduces rim weight to improve acceleration and keep a fat bike feeling less sluggish
AL6069 alloy construction - strong, impact-resistant alloy suited to daily riding and loaded trail abuse
Double-wall with recessed nipple beds - reinforces the spoke bed for dependable tension and long-term durability
TCS tubeless compatibility - simplifies tubeless setup for lower-pressure grip and improved ride comfort on soft or rough terrain
Specifications & Identifiers
Brake Compatibility
Disc
Brake Track
N/A
Color
Black
Defined Color
Black
Designed for ebike
No
ERD
549mm
Eyelets
None
Hub Drilling
32h
Internal Rim Width
76mm
ISO Diameter
559 / 26" mtn
Material
Aluminum
Rim Center Offset
20.4mm
Rim Depth
14.9mm
Rim Joint
Pinned
Tire Diameter
26" Fat
Tire Intended Use
Fat Bike
Tire Type
Tubeless Ready
Valve Type
Presta
Weight
807g
Wheel Size
26" Fat
Black - 32h UPC
714401206335
Black - 32h MPN
W020-0633
Tree Fort ID:
333222477817
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