Surface spray technology and one-piece die-casting provide durability and corrosion resistance. Extended driving arm ensures stable braking performance. Enlarged semi-metal heat sink enhances braking power. Includes mounting screws for secure fit and long-lasting stability. Made from high-strength metal material for increased durability. Dimensions: 9cm x 6cm x 5cm (3.54" x 2.36" x 1.97"). Suitable for most bicycles.Item Name: Bike Disc Brake Material: Metal Style: Front, Rear Color: Black, Red A-pillar: 75mm, B-pillar: 51mm Features: Universal, Durable, Stable Specifications: F160-R140 (Front Brake), F180-R160 (Rear Brake) Size Details: 9cm x 6cm x 5cm / 3.54" x 2.36" x 1.97" (Approx.)Note: Due to differences in lighting and screen settings, the item color may vary slightly from the images. Slight dimensional variations may occur due to manual measurement.Package Includes: 2 x Screws 1 x Bike Disc Brake