Halo Sub-4 20 Inch BMX Race Rim Black / Machined Seating Both sizes feature 35 millimeters

Both sizes feature 35 millimeters of vertical brake pad adjustment more than most linear-pull brakes

Note: must be run with a 'Fat Foot' sprocket

5mn Allen Key To Secure Cable On Right Arm

designed for Junior BMX racers

Titanium axle upgrade available aftermarket or pre-built upon request

Halo Sub-4 20 Inch BMX Race Rim Black / Machined Seating Both sizes feature 35 millimetersThe Sub 4 is Halo's benchmark BMX light weight double walled race rim in 32 or 36H with machined sidewall. Used by our Alans Supercross BMX race team. Race tested and optimised 30mm wide box section makes the Sub 4 light, stiff and strong. Available in 20 and 24 as well as smooth or CNC silver sidewall. Our Sub 4 builds into race winning wheels. Specifications Material Heat treated Alloy Internal Width 24mm External Width 30mm Rim Depth 16mm Joint