Shimano 105 FC-RS510 Crankset - 172.5mm 11-Speed 50/34t 110 Asymmetric BCD Hollowtech II Spindle Interface BLK CheckoutSpec= 25.4 to 27.0mm Core No Color Jet Black

Core No Color Jet Black Gender Unisex Size L Primary Color Black

}Salsa Men's Terrazzo Aero Jersey - Medium Black

}Profile Design Threadless Conversion: 25

}Surly Bridge Club 700c Bike - 700c Steel Black X-Small

The carbon helps keep the vibration to a minimum while the aluminum core maintains a majority of the strength

Shimano 105 FC-RS510 Crankset - 172.5mm 11-Speed 50/34t 110 Asymmetric BCD Hollowtech II Spindle Interface BLK CheckoutSpec= 25.4 to 27.0mm Core No Color Jet BlackShimano 105 FC RS510 Crankset 172. 5mm 11 Speed 50 34t 110 Asymmetric BCD Hollowtech II Spindle Interface Black. The Shimano 105 FC RS510 crankset features a 2 piece design and is compatible modern disc brake road frames. 4 arm crankset for 11 speed drive train Compatible with frames of O. L. D. 135 mm and 410 mm chainstay length 43. 5mm chainline TECH SPECS Rings 50 34 Defined Color Black Spindle Interface Type Shimano Hollowtech II Chainring BCD 110