Designed specifically for Surly Big Dummy cargo bikes, this wear patch protects brake calipers from abrasion caused by bag movement during rides. Made from durable nylon and shaped to fit the contours of the Big Dummy frame, it helps extend the life of both your brake components and cargo bags. Ideal for riders who frequently haul gear or passengers.

• Protective patch for brake caliper area
• Designed for Surly Big Dummy cargo bikes
• Prevents wear from bag contact and vibration
• Durable nylon construction
• Easy to install with included adhesive backing or fasteners