Shimano 105 FC-RS520 Crankset - 172.5mm 12-Speed 50/34t 110 Asymmetric BCD Hollowtech II Spindle Interface BLK MFPN=20193 } Aero 40mm deep carbon

} Aero 40mm deep carbon disc rim (35mm outer/25mm inner width) with a tubeless ready profile

0 " tires max Slimmed down fork legs to reduce weight 1pc hydroformed fork leg for super strong

Wedge-cluster band design for secure fit

350 based hub Rear Axle 12mm Thru x 142mm Rim Width (Internal) 20 Cassette Body Type Shimano HG 11/12-Speed Road Valve Presta Wheel Size 700c Defined Color Black ISO Diameter 622 / Road / 29" Tire Type Tubeless Ready Clincher Hub/Brake Compatibility Center-Lock Disc

Shimano 105 FC-RS520 Crankset - 172.5mm 12-Speed 50/34t 110 Asymmetric BCD Hollowtech II Spindle Interface BLK MFPN=20193 } Aero 40mm deep carbonThe Shimano 105 FC RS520 is a 2 piece 4 arm crank that's compatible with modern disc brake road frames. 4 arm crankset for 12 speed drivetrain Compatible with frames of O. L. D. 135mm and 410mm chainstay length 44. 5mm chainline 150mm Q factor Compatible with HG 12 speed chains Color Black Rings 50 34 Number of Chainrings Double Crank Length (mm) 172. 5 Crank Intended Use Road Drivetrain Speeds 12 BB Included No Pedal Spindle 9 16" Spindle Interface