Posheliox Alloy Dual Pivot Caliper Brake Set for Road Bike, 47mm to 57mm Reach Side Pull Rim Brakes, Adjustable Shoe for Front and Rear Racing(Black back clip)

• [ADJUSTABLE WEAR RESISTANT BLOCKS] Our brake calipers feature adjustable wear resistant brake blocks that seamlessly fit the rim, enhancing the braking effect for a safer ride.
• [LIGHTWEIGHT ALUMINUM DESIGN] Crafted from high strength aluminum alloy, these calipers are lightweight yet , providing high toughness and resistance to wear and water.
• [COMPATIBLE WITH VARIOUS FORKS] Designed to work with both hidden and non-hidden front forks, compatibility for different bike setups.
• [EASY ADJUSTMENT RANGE] With a travel range of 47-57MM and a 20MM adjustable range, you can easily position the brake blocks according to your specific needs.
• [SIZING REMINDER] Please check your sizing requirements before purchasing to compatibility with your bike's specifications.

Feature: Adjustable wear-resistant brake blocks, seamlessly fit the rim, increase area, and the braking effect is better Caliper Compatible . Part of the hidden front fork and non-hidden front fork can be used normally; 2. Travel range: 47-57MM(20MM adjustable range) You can adjust the position of the brake block according to your actual situation. Lightweight design, high-strength aluminum alloy, high-strength aluminum material, high toughness, bright color, more wear-resistant and Specification: front brake calipers Standard sizes: 47-57MM Front brake screw length 31MM The length of the front nut is 21MM, Outer diameter 8MM with a 3MM washer Support tire width 58MM rear brake caliper Standard sizes: 47-57MM Rear brake screw length 13MM The rear nut is 13MM long, Outer diameter 8MM With a 3MM washer Support tire width 58MM Package Included: *front brake calipers/rear brake caliper