Features： 1、Applicable Models: The bike brake set is suitable for BROMPTON folding bike to refit domestic folding bike, other models are not applicable. 2、Dual Pivot Design: With dual pivot design, the braking force is more sensitive and direct. The brake pads are replaceable. 3、Symmetrical Design: With symmetrical design, the power is equal, the braking is more stable, and the braking performance is good. 4、Main Function: The brake caliper brake lever set helps the bicycle have stable power modulation and easy to adjust performance. 5、Aluminum Alloy: Made of high quality aluminum alloy materials, the bicycle parts are compact, light and durable. Specification： Item Type: Bicycle Brake Caliper Brake Lever Set Material: Aluminum Alloy Product Color: As Pictures Shown Brake Lever Length: Approx. 83.5mm / 3.3in Installation Diameter: Approx. 22.2mm / 0.9in Brake Pad Spacing: Approx. 36mm / 1.4in Caliper Height: Approx. 65mm / 2.6in Product Weight: Approx. 569g / 20.1oz Applicable Models: Suitable for Brompton Folding Bike Package List： 2 x Caliper  2 x Brake Lever