Box Hex Lab Carbon front/rear Rim-20x1 1/8" umbrella Spacer-prene sleeve combined with breathable

Spacer-prene sleeve combined with breathable mesh panel for all day riding comfort

axles and axle nuts

or mixing it up in the endure scene

Made from 100% 4Q Baked heat-treated CrMo with a reinforced 1-pc machined steerer tube

titanium-nitride coated

Box Hex Lab Carbon front/rear Rim-20x1 1/8" umbrella Spacer-prene sleeve combined with breathableThe 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