Description
Instant Confidence
Since 2007, the Flow rim has been helping riders progress, push boundaries, and do more on their bikes. The original Flow was light, wide, tubeless, and strong as hell. It redefined mountain bike rims and played a role in the evolution of riding. Today’s Flow MK4 continues the progression with a 30mm wide asymmetric rim designed to build an even stronger overall wheel.
Technology:
BST-Asymmetric, WideRight
Specs:
Rim Internal Width: 30.0mm
Rim External Width: 33.6mm
Rim Depth: 18.9mm
Hole Count: 28-hole, 32-hole
Features:
Low-profile 30mm internal width optimizes tire shape, traction, and control for 2.3-2.6” tires.
Durable 6069 aluminum with welded joint and reinforced spoke bed.
BST Asymmetric design combines Stan’s legendary easy tubeless inflation with a stronger, more balanced wheel build.
3-year rim warranty with 1-year crash replacement.
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