SRAM RED Assembly Bicycle Cranksets SRAM has taken its already lightest and stiffest crankset and found innovative ways to make it even lighter, setting a new benchmark for lightweight performance on the trail and road. By employing a new optimized layup, they have successfully shaved off crucial grams, providing elite-level stiffness and speed to serious riders looking for a significant drivetrain upgrade. ✅Engineering & Lightweight Advantages The latest generation of the SRAM carbon crank arms delivers noticeable weight savings and structural enhancements crucial for competitive riding. Significant Weight Reduction: The new optimized hollow carbon crank arms are 29 grams lighter than the previous generation, maximizing power transfer and climbing speed. Enhanced Rider Fit: SRAM now offers more crankarm lengths than ever before, ensuring an ideal fit and refined ergonomics for every rider. AXS Ecosystem Ready: Features the versatile 8-bolt interface, ensuring seamless compatibility with both power and non-power AXS spiders and integrated chainrings. (Note: Chainrings are sold separately). Proven Stiffness: Despite the weight loss, the crank maintains its industry-leading stiffness, ensuring every watt of power is efficiently delivered to the rear wheel. Number of Chainrings: No Rings Included Color: Natural Carbon Pedal Spindle: 9/16" Crank Intended Use: Road , Tri , Cyclocross Crank Length (mm): 175 Rings: Sold Separately Spindle Interface Type: SRAM DUB Drivetrain Speeds: 12 Defined Color: Carbon Chainring BCD: Direct Mount SRAM BB Included: No