Features: Engineered with high strength aluminum alloy, this mountain bike brake guard offer 50% greater impacts resistance than traditional plastic, effectively shielding your brake calipers from trail debris and accidental damage. Featuring a simple installation design, the clamp on protector secures in under 30 second via its innovative bracket systems, ideal for riders prioritizing efficiency without compromising durability. Designed for commuters, long distances cyclists, and enthusiasts seeking light weight yet robust components to safeguards braking systems during intense rides. Perfect for commutes, its 3mm thick shield blocks moisture and dusts while maintaining agility with a 28g light weight build. Universally compatibility with 26" 29" mountain bikes, this aluminum brake protector combines corrosions resistant durability with streamlined performances for enhancing braking reliability across terrains. Specifications: Color:Three Choices Dimension:85x55x75mm/3.34×2.16×2.95in Component:aluminum alloys Package Includes: 1pc Mountain bike rear caliper guard note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.