Shimano 105 FC-RS520 Crankset - 170mm 12-Speed 50/34t 110 Asymmetric BCD Hollowtech II Spindle Interface BLK CheckoutTitle=Wheels Manufacturing Ebike Lockring Socket - Shimano STEPS }HT Components T2 Pedals -

}HT Components T2 Pedals - Dual Sided Clipless with Platform Aluminum 9/16" Royal Blue

Inner pocket

Compatible with SL-RS700 and SL-RS405 shift levers

Fully assembled

Shimano 105 FC-RS520 Crankset - 170mm 12-Speed 50/34t 110 Asymmetric BCD Hollowtech II Spindle Interface BLK CheckoutTitle=Wheels Manufacturing Ebike Lockring Socket - Shimano STEPS }HT Components T2 Pedals -Shimano 105 FC RS520 Crankset 170mm 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