Elevate your mountain biking performance with the RaceFace Aeffect R Crankset Series, designed for riders seeking enduro-rated strength combined with lightweight efficiency. Crafted from forged 7050 aluminum, these cranksets deliver exceptional stiffness and durability without adding unnecessary weight, making them ideal for both aggressive trail riding and XC adventures. Available in 165mm, 170mm, and 175mm lengths, each model features a boost-compatible 24mm RaceFace EXI interface spindle for seamless integration with a wide range of bike frames. Engineered with the versatile CINCH system, the RaceFace Aeffect R cranksets offer unparalleled customization with interchangeable spider optionscompatible with alloy or steel direct mount CINCH chainringsenabling riders to fine-tune their gearing for optimal performance. The direct mount chainline adjustments (51mm / 57.5mm with flipped ring, 49.5mm, and 52.5mm for different configurations) ensure perfect alignment across various hub standards, including 135/142, 141/148, and 150/157mm setups. Built for mountain bikers who demand reliability and high performance, these cranksets feature a stylish black finish and are designed for aggressive trail, enduro, and XC use cases. The innovative CINCH system, combined with high-strength forged aluminum construction, provides a lightweight, stiff, and dependable drivetrain solution ideal for modern mountain biking. Enhance your bikes capability and efficiency with RaceFaces cutting-edge crankset technology, designed to push your riding to the next level.