SRAM B Bolt Kit for Force 1 CX1 Rear Derailleurs 11.7518.039.000 SRAM Force Crankset 165mm 12 Speed 46 33t Carbon E1 SRAM Rival Crankset 165mm, 12 Speed, 46 33t, 8 Bolt Direct Mount Sram Force AXS Road Bike Carbon Crankset DUB 12 Speed 172.5mm. Experience the perfect blend of performance and style with the SRAM Force Crankset. Designed for serious cyclists, this crankset offers a lightweight yet durable construction that enhances your ride. One piece aluminum 2x chainring and carbon crankarms create a lighter, stiffer, and more durable crankset for precise shifting. X Range gearing technology ensures a wider range and smoother gear transitions, keeping you in the optimal gear at all times. Carbon fiber crankarms provide exceptional strength while minimizing weight for improved efficiency. DUB bottom bracket compatibility enhances durability and simplifies installation (bottom bracket sold separately). Upgrade potential to a power meter allows for advanced performance tracking (sold separately). This crankset is ideal for road cycling enthusiasts looking to enhance their drivetrain performance. Its advanced features make it suitable for both competitive and recreational riding. To install, pair it with a compatible DUB bottom bracket and enjoy seamless gear shifts on your next ride. Details: Rings: 46 33, Number of Chainrings: Double, Drivetrain Speeds: 12, Chainring BCD: Direct Mount SRAM 8 Bolt, Chainline Hub Compatibility: 135 142 Road Disc Hubs > 415 mm Chainstay, Color: Carbon, Crank Length: 165mm, Crank Intended Use: Road, BB Included: No, Pedal Spindle: 9 16", Spindle Interface Type: SRAM DUB.