Shimano 105 FC-RS520 Crankset - 165mm 12-Speed 50/34t 110 Asymmetric BCD Hollowtech II Spindle Interface BLK MFPN=710-0179236050 Gender Unisex Color Bolt Primary

Gender Unisex Color Bolt Primary Color Black Core No Size S

With a 40-meter dive rating and leakproof buttons it supports scuba and apnea diving Touchscreen Yes Rechargeable Battery Yes ANT Compatibility Yes Cadence Yes - Requires Additional Purchase Color Screen Yes Color Carbon Gray GPS Enabled Yes Heart Rate Yes Bluetooth Compatibility Yes WIFI Yes Defined Color Gray Size 47Mm Display Type Solar

DCC - Dual Control Compound features two kinds of materials for speed and control hardness of 56A in the center and a lower 48A on the sides

The patent-pending layer-by-layer quality control ensures minimal imperfections elevating your confidence to break the mold

Collapsible to: 133 x 30 x 22 cm

Shimano 105 FC-RS520 Crankset - 165mm 12-Speed 50/34t 110 Asymmetric BCD Hollowtech II Spindle Interface BLK MFPN=710-0179236050 Gender Unisex Color Bolt PrimaryThe 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) 165 Crank Intended Use Road Drivetrain Speeds 12 BB Included No Pedal Spindle 9 16" Spindle Interface Type