Shimano 105 FC-RS520 Crankset - 172.5mm 12-Speed 50/34t 110 Asymmetric BCD Hollowtech II Spindle Interface BLK CheckoutTitle=Praxis Works Zayante Carbon-S Cranks V2 Description Progressive Air Can

V2 Description Progressive Air Can Assembly

The narrow-wide chainring is designed to retain the chain without the need of a chain device

Cork Kids Grip

keeping your chain and cogs clear and moving smoother for longer

Photo for color and material reference only Tooth Count 17 Size 3/32''

Shimano 105 FC-RS520 Crankset - 172.5mm 12-Speed 50/34t 110 Asymmetric BCD Hollowtech II Spindle Interface BLK CheckoutTitle=Praxis Works Zayante Carbon-S Cranks V2 Description Progressive Air CanThe 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