- Compatibility: This crankset is designed for seamless integration with 9-speed systems while also being backward compatible with 7-speed and 8-speed setups. Ideal for a wide range of bicycles including mountain bikes, road bikes, and city bikes. - Crank Length: Features a crank arm length of 170mm with a Bolt Circle Diameter (BCD) of 104mm for 44T and 32T chainrings, and 64mm for the 22T chainring. This size provides optimal power transfer and efficiency for various riding styles. - Removable Chainrings: Each chainring can be easily disassembled, allowing for quick replacements. This feature not only enhances convenience but also minimizes maintenance costs, ensuring you spend more time riding and less time on repairs. - Durable Construction: Made from forged AL-6061-T6 aluminum alloy paired with high-strength steel, this crankset undergoes CNC machining and surface oxidation treatment. The result is a lightweight yet robust product designed to withstand rigorous riding conditions. Use Scenarios: 1. Mountain Biking: Perfect for tackling rugged terrain, providing reliable performance and easy gear adjustments. 2. Commuting: Ideal for daily city rides, allowing for quick chainring swaps to adapt to changing conditions. 3. Road Cycling: Enhances efficiency on long rides, ensuring you get the most out of every pedal stroke. This crankset delivers exceptional performance, durability, and versatility, making it an essential upgrade for any cyclist looking to enhance their biking experience.