The 121 half link chain is heat-treated and is engraved with the Primo logo

They're a cap style going over the end of the bars with small allen screws to hold them in place

Flush surfaces

SPROCKET: 39t

Tough metal barends from the Shadow Conspiracy

Box Two Race Linear Brake Cable - Black supplier_54521973211462 The 121 half link chainBox One's Race Linear Brake Cable is built specifically for BMX racing and the stresses and strains the brakes are put under. It all starts with custom cable housing that features stainless steel mesh wrapped linear wires for the best combination of braking and cable strength. The inner cable wires are stainless steel so they won't rust over time.