Box One Front Load Race Stem 156mm 4mm clamp option utilising BSD's

4mm clamp option utilising BSD's OS Gorilla Grip System to keep your bar secure in the stem

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They're built from a durable rubber compound that'll keep them riding

The hub comes with push on drive and non drive side Jersey Barrier hubguards included

cracking and breaking

Box One Front Load Race Stem 156mm 4mm clamp option utilising BSD'sBox are innovators within the BMX Race field with all of their parts being carefully designed to ensure you can put the power down. The Box One Front Load Race Stem is built from 6061 T6 aluminium using a cold forge process ensuring strength and rigidity with strategic cutouts reducing weight without affecting that strength. Utilising a front load desing to keep your bars locked tightly in place using Box's 31. 8mm clamping diameter to perfectly match