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The PROTO Half-Knuckle is and has been one of the most durable clamps on the market since PROTO’s inception in 2008. Designed and manufactured in San Diego, CA., by riders for riders. PROTO prides itself in being on the innovative forefront of freestyle scooter product development and design. Ride the original, ride PROTO. The Half-Knuckle can be used with threaded forks or ICS compression. The Half Knuckle will work with both standard and oversized bars. Strong and lightweight the Half Knuckle weighs in at only 00.304 Lbs. (00.14 Kg). The High Grade 6061 T-6 Aluminum is anodized for durability. Laser engraved with the PROTO Star Logo. PROTO – Stickers included!
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We currently ship within the US, with more countries coming soon.
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🇺🇸 Ship from USA · On Agora since 2026
$49.95