The ROLLCii 15 is where sleek style meets hardcore functionality. Crafted with high-precision aluminum alloy forging technology, this crank doesn’t just look good—it’s built tough to handle any rugged ride you throw at it. You can choose from three crank lengths—165mm, 170mm, and 175mm—to find the perfect fit that enhances your riding experience. The 52mm chainline design is compatible with both BOOST and standard mountain bike frames, enhancing installation versatility. The ROLLCii 15 combines the compatibility of two major brands, featuring a SHIMANO outboard 24MM bottom bracket standard and a SRAM direct-mount 8-BOLT chainring interface, greatly increasing the product's versatility. This means you can mix and match parts from different brands to truly make your bike your own. The finely polished and brushed surface treatment adds a distinct sheen and aesthetic appeal, demonstrating not only outstanding performance but also a unique taste in appearance.