Promax SQ-1 Crank Arm Set - 160mm Square Taper JIS Spindle Interface 110mm BCD Gold MFPN=31055427132 }Shimano Deore RD-M6100-SGS Rear Derailleur

}Shimano Deore RD-M6100-SGS Rear Derailleur - 12-Speed Long Cage Black

}Shimano Ultegra CS-R8000 Cassette - 11 Speed 12-25t Silver

Length 248 Gender/Age Unisex Color Black Rail Material Titanium Weight 204 Saddle Cut Out Yes Width 130 Material Synthetic Defined Color Black Clamp Style Std Rails

Easy to install and removes in just seconds all without marking your car

Promax SQ-1 Crank Arm Set - 160mm Square Taper JIS Spindle Interface 110mm BCD Gold MFPN=31055427132 }Shimano Deore RD-M6100-SGS Rear DerailleurPromax SQ 1 Crank Arm Set 160mm Square Taper JIS Spindle Interface 110mm BCD Gold. The SQ 1 cranks arms have a traditional five arm 110 bolt pattern spider and come in a variety of lengths to fit most riders or riding situations from the 5 and under BMX racer to the 6 foot tall fixie riding hipster. 110mm BCD Compatible with any JIS square taper bottom bracket Cold forged from 6061 T6 aluminum for strength low weight and durability and feature