Box Hex Lab Carbon front/rear BMX Race Rim-20x1 1/8" Color:Black MATERIAL: 4130 4Q-Baked Heat-treated CrMo

MATERIAL: 4130 4Q-Baked Heat-treated CrMo | Lifetime Warranty

hollow inner and outer plates

Steerer Tube 1-1/8"

lighter wheels and size-specific

Ultra High Modulus Carbon Fiber

Box Hex Lab Carbon front/rear BMX Race Rim-20x1 1/8" Color:Black MATERIAL: 4130 4Q-Baked Heat-treated CrMoThe Box Hex Lab Carbon Rim 20x1 1 8" is engineered with Box's Oversized Technology philosophy for the ultimate in pedaling stiffness. These rims will shine even further if paired with Box's other Oversized components. Box uses ultra high modulus carbon fiber, the stiffest out there, and designs the rim with spoke stabilizers to achieve the stiffness and stabillity of a much wider rim profile. This rim is compatible with tube and tubeless