Shimano 105 FC-RS520 Crankset - 165mm 12-Speed 50/34t 110 Asymmetric BCD Hollowtech II Spindle Interface BLK Shell ID-46mm the bike combines rugged capability

the bike combines rugged capability with ergonomics designed for growing bodies and developing skills

These are the lightest weight and best looking stainless steel single speed cogs available

8L Primary Color Grey Waterproof Yes Volume Range 0-5L Color Carbon Grey

0 Color Black/Gold Rise 0 Weight 133 Material Aluminum Defined Color Black S

Snow Temperature: -4°C to -10°C (24

Shimano 105 FC-RS520 Crankset - 165mm 12-Speed 50/34t 110 Asymmetric BCD Hollowtech II Spindle Interface BLK Shell ID-46mm the bike combines rugged capabilityThe 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