Shimano 105 FC-RS520 Crankset - 165mm 12-Speed 50/34t 110 Asymmetric BCD Hollowtech II Spindle Interface BLK MFPN=710-0179236050 Adjustable tension for easy engagement

Adjustable tension for easy engagement and dependable release

The ball shape also lowers sliding friction reducing the abrasive wear from the silica in the road

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

with up to 24 days of battery life

Model Monolithic Size 160mm Mount Center Lock Thickness 2

Shimano 105 FC-RS520 Crankset - 165mm 12-Speed 50/34t 110 Asymmetric BCD Hollowtech II Spindle Interface BLK MFPN=710-0179236050 Adjustable tension for easy engagementThe 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