Velocity Chukker 700C 40H Rim Axle to Crown Length-582 Provides the optimal chainline and

Provides the optimal chainline and clearance for your Super Boost 157mm hubs when used with the standard Race Face 136mm spindle

Adjustable angle to fit flat or sloping top tubes

While the smaller woom 1 is designed for kid’s as young as 18 months

ZM2 SL hubset ensures you’ll be quick to accelerate and back on the pedals sooner after corners with the 1ZERO HITOP SW

} 30mm inner width tubeless ready

Velocity Chukker 700C 40H Rim Axle to Crown Length-582 Provides the optimal chainline andTECH SPECS Diameter 700C Brand Velocity Model Chukker ISO 622 ID Width 18 Width OD 24 Profile 32 Wall Dbl Side MSW Color Black Hole Count 40 Valve PV Weight 645g ERD 580 Extras