Shimano 105 FC-RS520 Crankset - 172.5mm 12-Speed 50/34t 110 Asymmetric BCD Hollowtech II Spindle Interface BLK MFPN=00.4118.419.028 (mm) 17 Manufacturer Number 6803

(mm) 17 Manufacturer Number 6803 Material Ceramic Thickness 5 Outer Diameter 26Mm Inner Diameter 17Mm

Mounts directly to XX T-Type chainring (Not compatible with XX Power Meter spiders or XX SL chainrings)

}RockShox Rear Shock Damper Shaft Assembly - Super Deluxe Coil Bearing Shaft Eyelet 60mm A1-A2

Smooth siped tread rolls fast and grips the road well in wet conditions

Updated design for smoother and faster shifting

Shimano 105 FC-RS520 Crankset - 172.5mm 12-Speed 50/34t 110 Asymmetric BCD Hollowtech II Spindle Interface BLK MFPN=00.4118.419.028 (mm) 17 Manufacturer Number 6803The 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