Shimano 105 FC-RS520 Crankset - 172.5mm 12-Speed 50/34t 110 Asymmetric BCD Hollowtech II Spindle Interface BLK MFPN=20193 Model CT1126XMN-U Hub SureFit 3-Lobe

Model CT1126XMN-U Hub SureFit 3-Lobe Unified Teeth 26t

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

60mm model has suggested rim depth of less than 20mm

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

With a wider profile

Shimano 105 FC-RS520 Crankset - 172.5mm 12-Speed 50/34t 110 Asymmetric BCD Hollowtech II Spindle Interface BLK MFPN=20193 Model CT1126XMN-U Hub SureFit 3-LobeThe 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