1. Material: aluminum alloy tread + chrome-molybdenum steel axle 2. Compatible with: 14mm universal bicycle thread 3. 10 anti-slip spikes for grip and anti-slip performance 4. L/R markings on the tread for easy identification 5. Hollow construction for lightweight and comfortable riding 6. Chrome-molybdenum steel axle, capable of bearing approximately 100kg per axle, durable even when standing 7. Sealed bearings to prevent rain and dust intrusion 8. Weight: approximately 145g per axle 9. Dimensions: approximately 114x99x22mm
