Halo Sub-4 20 Inch BMX Race Rim Black / Machined Size_Large BSD have been working on

BSD have been working on the design of the tyre for a while now and wanted something with a simple

Renthal 1XR Narrow Wide 4-Arm 104BCD Chainring 38T

131 Road levers

As they are made by hand

Halo Sub-4 20 Inch BMX Race Rim Black / Machined Size_Large BSD have been working onThe 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