4Pcs Dope E Bike Wheel Nut Caps 21mm Inner Diameter Compatible With 21mm Wheel Nuts On Hub Motors Durable Protective Covers For Maintenance And Cosmetic Upgrade

4-Pack 21mm E-Bike Wheel Nut Caps for Hub Motors
✔️ Durable rubber caps for 21mm wheel nuts; dustproof, easy replace

These black protective caps fit over 21mm wheel nuts on hub motors, ideal for maintenance and cosmetic upgrades on electric bicycles.

✅ Inner diameter: 21 mm
✅Outer diameter ：24 mm
✅ Height: 30 mm
✅ カラー：ブラック
✅Material: ラバー
✅ Pack size: 4 pcs

💡 What is a wheel nut cap used for on an e-bike hub motor? This handy piece helps protect wheel nuts from dust, dirt, and corrosion, and enhances the overall look of the wheel.

• Protects wheel nuts from dust, dirt, and corrosion
• Maintains a clean, finished appearance of e-bike wheels
• Simple replacement with no specialized tools required
• Compatible with 21mm wheel nuts on hub motors