Wheel Alignment Aid Supports correct rim alignment and precise spoke tension adjustments for steel spoke systems. Helps when tightening or loosening nipples. An essential wheel maintenance tool that enables accurate tension setting and can extend the life of the wheel. Compatible with standard steel spokes and common nipple sizes. Optimized Spoke Nut/Hub Nut Key Function Uses a four-sided torque design to provide a secure grip on spoke nipples, reducing slip and improving stability for long-term precise adjustments. Minimizes wear on the tool and on nipples, essential for regular bicycle maintenance. Emphasizes spoke key and hub safety for reliable performance. Fatigue-Free Maintenance Extended lever arm minimizes effort when applying torque and ensures smooth, accurate motion with every turn. Ideal for long repair sessions on bicycle spokes. Wear-Resistant Construction Made from high-quality materials, this tool resists wear and maintains performance under demanding use. Durable for heavy maintenance and suitable for regular riders and hobby mechanics alike. Use scenarios - Wheel truing and spoke tensioning during routine maintenance to restore true and balance. - Tightening or loosening nipples during nipple replacement or servicing. - Wheel rebuilds or hub work requiring repeated, precise adjustments over extended periods.