Sun Ringle Duroc 40 Rim - 29" Disc Black 32H ModelNumber=K8860 The Flow MK4’s reinforced spoke

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

Valve Presta

The reducers are engaged with a lever and have one disengaged position and 4 levels of resistance (3 levels for 125) to provide options for adjusting training resistance or braking down hills

60 Tire Diameter/ISO 29/622 Tubeless Technology Tubeless Ready e-Bike approved Yes

Hub Axle Length 148mm Position Rear Axle Length 148Mm

Sun Ringle Duroc 40 Rim - 29" Disc Black 32H ModelNumber=K8860 The Flow MK4’s reinforced spokeDuroc RimWelded seam Double wall construction STR tubeless ready Brake Compatibility Disc Only Rim Width (Internal) 36 Brake Track None Manufacturer Spec ERD (mm) 607 Valve Presta Color Black Weight 550 Wheel Size 29" Defined Color Black ISO Diameter 622 Road 29" Hub Drilling 32 Rim Material Alloy Tire Type Tubeless Ready Rim Center Offset (mm) 0