2 PCS Baby Pet Debris Bicycle Trailer Accessories Traction Head, Style: With Buckle

1. Material: iron
2. Purpose: the hook of the bicycle trailer connected to the rear axle of the bicycle
3. Application: suitable for most bicycle trailers
4. Features: sturdy and durable, not easy to rust, convenient connection, wide applicability
5. Bolt hole diameter: about 11 mm
6. Trailer handle rod hole diameter: about 7 mm
7. The diameter of the recessed area of the shaft nut: about 21 mm
8. Floor length: about 55 mm
9. Weight: about 159 grams