Plastic Heavy-Duty Rim Lock Blue-1.40" & 1.60"

Nylon Ultra-Durable Heavy-Duty Rim Lock - 1.40"/1.60" - for 2.75/3.00/3.25 rims - 10-20% stronger and only half the weight of the rubber encased alloy rim locks and the special contoured shape protects the inner tube and reduces heat build-up