12mm Brass Wheel Hex Extension Adapters Compatible with TRX4 TRX6 1/10 RC Crawlers, Heavy Brass Wheel Spacers with Lock Nuts, 4PCS (15mm)

This brass wheel hex extension set is designed for 1/10 RC crawler upgrades compatible with TRX4, TRX6, and other standard 12mm hex systems. By adding weight and extending wheel offset, it helps improve stability, reduce rollover, and enhance control on rough terrain. The set includes 4 brass adapters along with lock nuts, pins, screws, and spacers for a complete and secure installation. Available in 15mm and 20mm options to suit different setups and driving styles. Please confirm axle and wheel clearance before purchase.

• Solid Brass Upgrade – Made of high-quality brass to add low-position weight, helping lower center of gravity and improve climbing stability.
• 12mm Hex Extension Design – Extends wheel offset to widen track width, improving side-hill performance and overall balance.
• 15mm / 20mm Options – Two extension sizes available to match different setups and driving styles.
• Complete Hardware Included – Comes with lock nuts, pins, screws, and spacers for secure installation.
• Easy Bolt-On Installation – Designed for most 1/10 RC crawler vehicles with standard 12mm hex hubs. Please confirm axle and wheel clearance before purchase.