BOX

One Delta BMX 31.8mm Stem - 48mm

BOX One Delta BMX 31.8mm Stem - 48mm is a modern BMX race stem built for riders running oversize 31.8mm handlebars and demanding a more planted, precise front end. With a stiff, race-focused clamp design and a 48mm reach, it targets larger BMX racers who want consistent steering response under hard sprinting and aggressive gate starts.

• 31.8mm bar clamp - Designed for oversize BMX race handlebars to increase torsional stiffness and keep the cockpit feeling solid in high-load efforts
• 48mm reach - Positions the bars for stable handling and confident weight distribution, especially for taller riders and longer front-center race frames
• 45-degree load clamp with side skirts - Adds rigidity at the clamp interface to help reduce bar twist and maintain accurate steering input
• Cold-forged + CNC-machined 6061-T6 aluminum - Balances strength and weight with clean machining for dependable race-day durability
• 0° rise, 32mm stack height - Keeps bar height and fit adjustments straightforward for BMX race setups
• 290 g (10.2 oz) - A solid, stiffness-forward weight for a 31.8mm BMX racing stem