Stans No Tubes Flow MK4 Disc 27.5" MTB Rim

Durability and an almost uncanny feeling of control on the trail have made Flow rims the preferred choice of multiple Red Bull Rampage riders, and today’s Flow goes even further. The Flow MK4’s reinforced spoke bed, combined with the offset drilling of the asymmetric design, builds into an incredibly durable wheel that brings added confidence to every ride.

• Built on its storied history, the Flow MK4 continues the progression to make every ride better
  
• 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
  
• Stan's patented Bead Socket Technology offers the easiest tubeless setup and most reliable airtight performance on the trail
  
• 3-year rim warranty with 1-year crash replacement
  
• Wheel Size: 27.5"
  
• ISO Diameter: 584 / 650b / 27.5"
  
• Brake Track: None
  
• Rim Joint: Welded
  
• Eyelets: None
  
• Rim Width (External): 33.6mm
  
• Rim Width (Internal): 30mm
  
• Rim Depth: 18.9mm
  
• Manufacturer Spec ERD: 561mm
  
• Rim Material: Alloy
  
• Valve: Presta
  
• Tire Type: Tubeless Ready
  
• Valve Length: Short 32-40mm
  
• Rim Center Offset: 3mm
  
• Weight: 487g.
  
• Color: Black