Shimano Altus SL-M310 8-Speed Brake/Shift Lever Set Black MFPN=81686 Same overall dimensions as the

Same overall dimensions as the 11 Speed

Design of the rear derailleur with medium-length housing is compatible with the different sizes of sprockets on all of the EKAR GT cassette combination options

}Shimano 105 BB-5500 68x118

}Shimano Dura-Ace R9100 55t 110mm Chainring for 55-42t

Shimano Altus SL-M310 8-Speed Brake/Shift Lever Set Black MFPN=81686 Same overall dimensions as theShimano Altus SL M310 8 Speed Brake Shift Lever Set Black. Shimano Altus ST M310 Brake Shift Lever SetOptical gear display Adjustable reach TECH SPECS Brake Lever Actuation Long Pull Double or Triple Triple Color Black Drivetrain Speeds 8 Front Der Shifter Compatibility Shimano Mountain Shifter Derailleur Compatibility Shimano