Shimano 105 FC-RS520 Crankset - 175mm 12-Speed 50/34t 110 Asymmetric BCD Hollowtech II Spindle Interface BLK ModelNumber=K3909 Hub Spoke Type J-bend Hub

Hub Spoke Type J-bend Hub Spacing 110mm Boost Hub Weight 120g Hub Drilling 24H Axle Type 15mm TA Position Front Rotor Mount Center Lock Primary Color Purple

Alloy top bolt for easy installation

Total Volume 400 Color Black Waterproof Yes Weight 567 Defined Color Black Primary Material Ballistic Nylon Attachment Method Straps

41 BB/Frame Interface PF41 BB/Frame Interface BB86 BB/Frame Interface BB92 BB Shell Width (mm) 86 BB Shell Width (mm) 92 Spindle Interface Type 386 EVO Spindle Interface Type 392 EVO Spindle Interface Type Hope BSA30 Spindle Interface Type RaceFace/Easton CINCH Spindle Interface Type Rotor 3D+ Defined Color Silver

6/H8 Upper | ZS56/40 Lower Tapered Purple

Shimano 105 FC-RS520 Crankset - 175mm 12-Speed 50/34t 110 Asymmetric BCD Hollowtech II Spindle Interface BLK ModelNumber=K3909 Hub Spoke Type J-bend HubShimano 105 FC RS520 Crankset 175mm 12 Speed 50 34t 110 Asymmetric BCD Hollowtech II Spindle Interface Black. The Shimano 105 FC RS520 is a 2 piece 4 arm crank thats 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 TECH SPECS Color Black Rings 50 34 Number of Chainrings Double