Box Hex Lab Oversized Front Load Race Rear Stem - 28.6mm - Black

Shipping Rates
Costs vary by order, destination, and bike inclusion. Rates for most EU countries: €0–€39. Other countries calculated by weight/volume. May change without notice.

Processing & Delivery
Ships in 1–2 business days (Mon–Fri). Tracking provided. Delays may occur due to weather, customs, or courier issues.

Returns & Exchanges
Return within 14 days; exchange within 5 days. Items must be new, unused, and in original packaging. Customer covers shipping unless agreed. Refunds processed within 5 days.

Damage & Corrections
Report damaged items or errors within 72 hours to info@race2podium.com. Replacement shipping covered if error is ours.

The Box One Oversized Stem utilizes elite Oversized Technology tailored for mini and junior racers. By maximizing material transfer to high-stress zones, this pro-level component eliminates handlebar twist and provides a rigid backstop for "lifting" forces during gate starts. 3D cold-forged from 6061-T6 aluminum, this top-load stem features an augmented 28.6mm clamp interface, significantly increasing front-end stiffness compared to standard setups. Engineered for 1” steerer tube forks and alloy frames, it ensures zero-latency steering and optimal power transfer to the pedals, making it a track-ready essential for smaller riders demanding a high-performance wheelset and cockpit feel.

• Material: 3D Cold-Forged 6061-T6 Aluminum
• Clamp Diameter: 28.6mm (Oversized Mini/Junior Standard)
• Steerer Tube: 1” Threadless
• Hardware: High-Tensile Chromoly Clamping Bolts
• Rise: +/- 5˚ for customized stack height
• Size/Weight: 40mm (106g / 3.7 oz), 45mm (115g / 3.8 oz)
• Compatibility: 1" Carbon Forks, 28.6mm Bars, and Lock-on Grips