Enhance your cycling performance with this ultra-light Mountain Bike Crankset Crank Arm, expertly crafted from durable aluminum alloy to provide strength and reliability without adding unnecessary weight. Designed exclusively for single-speed chain wheels, this crankset ensures rigid and efficient power transmission, making it ideal for cyclists seeking optimum performance and durability. Key Features: · Ultra-Lightweight Design: Minimizes added weight to your bike, allowing for effortless carrying and enhanced riding experience without burden. · Durable Materials: Constructed with high-quality aluminum alloy and equipped with chrome steel link bolts featuring a highly polished surface and black anodic oxidation treatment for superior wear resistance and long-lasting use. · Strong Axial Strength: Engineered to withstand rigorous cycling demands, offering excellent rigidity and reliable power transfer to maximize your pedaling efficiency. · Stylish Appearance: Available in three attractive colors, combining a fashionable and sleek design with gorgeous shaping to suit every cyclist’s preference. · Precise Compatibility: Designed with a crankset center distance of BCD130mm (5.1 inches) and a crank arm length of approximately 170mm (6.7 inches), providing strong compatibility with single-speed chain wheels. Specifications: · Material: Aluminum Alloy · Color: As Pictures Shown (3 Color Options) · Chainring Teeth: 53T · Crankset Center Distance: BCD130mm / 5.1in · Crank Arm Length: Approx. 170mm / 6.7in · Product Size: Approx. 293 x 223mm / 11.5 x 8.8in Package Includes: · 1 x Mountain Bike Crankset Crank Arm This lightweight and durable mountain bike crankset is the perfect upgrade for single-speed bicycles, delivering efficient power transmission, stylish looks, and exceptional strength for cycling enthusiasts of all levels.