Whether you are a man, woman, youth, or adult engaged in cycling, biking, or riding, this bike crank arm boot is tailored to deliver anti-wear and shockproof capabilities, protecting your pedal arm accessories from damage and maintaining optimal performance for cyclists and enthusiasts. Specification: Name: Crank Protector, Color: Black, Product size: about 6.8x4x1.5cm/2.68x1.58x0.59 inches, Weight: 21g, Material: Silicone. Packing List: 2 Pieces * Crank Protector Boots. Notes: 1. Due to the lighting effects and photographing angles, there is a color difference in the product, please understand. 2. Due to manual measurement, there is a tolerance in the product size. See more product details. Consistent Long-Term Performance: Featuring high-quality soft silicone, this bike crank arm boot maintains its shape without deforming, delivering consistent safety and dependability for long-term use during rides. Shock-Absorbing & Heat-Resistant: Combines excellent shock absorption with a heat-resistant structure to reduce riding vibrations and impacts, offering dependable performance in high temperatures and enhancing overall cycling stability. Dependable Elasticity Retention: Features an oil-resistant composition that sustains its protective qualities over time, while delivering excellent elasticity to adapt seamlessly to various cycling environments. Quick and Easy Care: Keep your bike crank arm boot in excellent conditions by wiping it clean with a damp cloth, effortlessly removing dust and stains for effortless upkeep. Useful and Practical: Suitable for cyclists and cycling enthusiasts, this boot ensures dependable performance during daily riding and onto mountain bikes, widely applicable for various terrains and conditions without limitations.